what is the distance between lines on a diffraction grating that produces a second-order maximum for 683-nm red light at an angle of 61.0°?
Answers
The distance between lines on the diffraction grating that produces a second-order maximum for 683-nm red light at an angle of 61.0° is approximately 771 nm.
To find the distance between lines on a diffraction grating that produces a second-order maximum for 683-nm red light at an angle of 61.0°, we can use the formula: d sinθ = mλ, where d is the distance between the lines on the grating, θ is the angle of diffraction, m is the order of the maximum (in this case, m = 2), and λ is the wavelength of the light. Rearranging this formula, we get: d = mλ/sinθ.
Plugging in the values given in the question, we get:
d = 2 * 683 nm / sin(61.0°)
d = 2 * 6.83 x 10^-7 m / sin(61.0°)
d ≈ 1.01 x 10^-6 m
Therefore, the distance between lines on the diffraction grating is approximately 1.01 micrometers. It's worth noting that diffraction gratings are used in many applications, such as spectroscopy and laser technology, and understanding their properties and behavior is important in these fields.
To find the distance between lines on a diffraction grating, we can use the formula for the grating equation:
nλ = d * sinθ
where n is the order of the maximum (in this case, 2 for the second-order maximum), λ is the wavelength of the light (683 nm), d is the distance between lines on the grating, and θ is the angle of the maximum (61.0°).
Rearrange the formula to solve for d:
d = nλ / sinθ
Plug in the given values:
d = (2 * 683 nm) / sin(61.0°)
d ≈ 771 nm
The distance between lines on the diffraction grating that produces a second-order maximum for 683-nm red light at an angle of 61.0° is approximately 771 nm.
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Related Questions
What could you do to increase the electric force between two charged particles by a factor of 16?
A.
Reduce one particle's charge by a factor of 16.
B.
Reduce one particle's charge by a factor of 4.
C.
Increase one particle's charge by a factor of 16.
D.
Increase one particle's charge by a factor of 4.
Answers
Answer:
B
Explanation:
If you reduce the distance by a factor of 4 the force is increased by x16
based on the velocity change of each object, what did you infer about the direction of forces during a collision?
Answers
The direction of forces during a collision can be inferred grounded on the haste change of each object. The forces acting on the objects are equal in magnitude and contrary in direction in elastic collision. But on the other hand, the forces acting on the objects aren't equal in magnitude in inelastic collision and the direction of the forces is also towards the centre of mass.
What do you mean by collision?Collision means two objects coming into touch with each other for a veritably short period. It's a repaying commerce between two millions for a veritably short interval wherein the instigation and energy of the colliding millions change.
What's the difference between elastic andnon-elastic collision?A impeccably elastic collision is defined as a collision in which there's no loss of kinetic energy. An inelastic collision is one in which kinetic energy is changed to some other form of energy in the collision.
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what is the rate at which (a) the charge of the capacitor is increasing, (b) engergy is being stored in the capacitor,
Answers
Vcap = V [1exp ( t/RC)], where 1/2CV^2 is the energy being stored in the capacitor. s the rate of the capacitor's charge's (a) augmentation. It is a two-terminal passive electrical component.
Capacitance is the name given to a capacitor's effect. While there is some capacitance between any two electrical conductors that are close to one another in a circuit, a capacitor is a component made to increase capacitance in a circuit. By building up electric charges on two nearby surfaces that are isolated from one another, a capacitor is a device that stores electrical energy in an electric field. It is a two-terminal passive electrical component. Capacitance is the name given to a capacitor's effect.
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The complete question is-
what is the rate at which (a) the charge of the capacitor is increasing, (b) engergy is being stored in the capacitor, Explain by its formula?
Show that the workdone by a force acting on a body is equal to the change in its kinetic
energy.
(b) A particle moving with a kinetic energy 3.6 J collides with a spring of force constant
180 Nm−1
. Calculate the maximum compression of the spring
Answers
The work-energy theorem states that work done on an object is equal to its change in kinetic energy \(W_net = F_net d cosθ = (1/2)m(v_f^2 - v_i^2) = (1/2)mv_f^2 - (1/2)mv_i^2\), and the maximum compression of the spring is 0.2 m.
(a) The work-energy theorem states that the net work done on an object is equal to its change in kinetic energy. Mathematically, it can be expressed as:
W_net = ΔKE
where W_net is the net work done on the object and ΔKE is the change in kinetic energy of the object.
Now, the kinetic energy of an object can be expressed as:
\(KE = (1/2)mv^2\)
where m is the mass of the object and v is its velocity.
So, the change in kinetic energy can be expressed as:
\(ΔKE = (1/2)m(v_f^2 - v_i^2)\)
where v_i is the initial velocity of the object and v_f is its final velocity.
The work done by a force acting on an object can be expressed as:
W = Fd cosθ
where F is the force acting on the object, d is the distance through which the force acts, and θ is the angle between the force and the displacement.
If the force acting on the object is the net force, then the work done by the force will be equal to the change in kinetic energy of the object. So, we have:
W_net = ΔKE
\(F_net d cosθ = (1/2)m(v_f^2 - v_i^2)\)
But, we know that the net force is equal to the mass of the object multiplied by its acceleration:
F_net = ma
Substituting this in the equation, we get:
\(mad cosθ = (1/2)m(v_f^2 - v_i^2)\)
Simplifying this, we get:
\(v_f^2 - v_i^2 = 2ad\)
Substituting this back in the equation, we get:
\(W_net = F_net d cosθ = (1/2)m(v_f^2 - v_i^2) = (1/2)mv_f^2 - (1/2)mv_i^2\)
Thus, we have shown that the work done by a force acting on a body is equal to the change in its kinetic energy.
(b) The work done by the spring force is equal to the change in kinetic energy of the particle. The maximum compression of the spring occurs when the kinetic energy of the particle is completely converted to potential energy of the spring.
Initially, the particle has a kinetic energy of 3.6 J. At maximum compression, the velocity of the particle becomes zero and all its kinetic energy is converted to potential energy of the spring.
So, we have:
\((1/2)mv_i^2 = (1/2)kx^2\)
where m is the mass of the particle, v_i is its initial velocity, k is the force constant of the spring, and x is the maximum compression of the spring.
Substituting the given values, we get:
\((1/2)(m)(v_i)^2 = (1/2)(k)(x)^2\)
\(x^2 = (mv_i^2)/k\)
\(x = \sqrt {[(mv_i^2)/k]} = \sqrt{[(2*3.6)/(180)]} = 0.2 m\)
Therefore, the maximum compression of the spring is 0.2 m.
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The population of bobcats in northern Arizona since 2008 can be modeled using the function b(t) = –0.32t2 + 2.7t + 253.
Answers
Answer:
In the given function b(t), the variable t represents the number of years after 2008. The domain of this function is . The range more than 258.7 would not make sense. The graph of the function is always continuous
The given function b(t) shows the population of bobcats in northern Arizona since 2008. Therefore the variable t represents the number of years after 2008.
Since t represents the number of years after 2008, which is either positive or zero, therefore the domain of this function is .
The given function is a quadratic function and the coefficient of is negative, so it is a downward parabola. The range above the y-coordinate of the vertex doesn't make any sense.
The vertex of parabola is defined by .
Vertex of the given function is (4.2,258.7).
Thus, the range more than 258.7 would not make sense for this function.
Since the given function is a polynomial function and polynomial functions are always continuous, therefore the graph of the function is always continuous
HOPE THIS HELPS <3
3. A train is 120 m long. Sydney was standing 200 m from the front of the train when it
began to accelerate from rest. She noticed that the front of the train was moving at 8.00
m/s when it passed her. How fast would the back of the train be going when it passed
her?
Answers
Answer:
Below
Explanation:
Find acceleration first
vf = vo + at (starts from rest so vo = 0)
8 = 0 + at
8 = at
d = vo t + 1/2 a t^2 (substitute 8 in for 'at')
200 = 0 t + 1/2 (8) t
200 / 4 = t = 50 seconds for front of train to pass her at 8 m/s
acceleration = change in velocity / change in time = 8 / 50 = .16 m/s^2
Back of train has to travel 120 meters at initial v = 8 m/s and accelerating at .16 m/s^2 :
d = vo t + 1/2 a t^2
120 = 8 t + 1/2 ( .16 ) t^2
.16t^2 + 8t - 120 = 0 Quadratic Formula shows t = 13.25 s
vf = vo + a t
vf = 8 m/s + .16 m/s^2 ( 13.25 s) = 10.1 m/s
5. Michael wanted to see what kitchen cleaner worked best for cleaning her counters. He used Lysol, Clorox, Pine-sol, and just water. For each cleaner, he put 5 milliliters of grape juice on the counter, sprayed the cleaner, and wiped it with one paper towel.
Answers
Answer:
Michael wanted to see what kitchen cleaner worked best for cleaning his counters. He used Lysol, Clorox, Pine-Sol, and water. For each cleaner, he used 5 milliliters of grape juice on the counter, sprayed the cleaner, and wiped it with one paper towel. Which of the following would be a constant?
answer choices:
-Lysol
-Cleaning products
-5 milliliters of grape juice
-Cleanest countertop recorded
5 milliliters of grape juice will be constant.
Explanation:
The different cleaning agents have different cleaning capabilities and some will require more of its quantity than others to clean the counter.
Secondly, only the grape juice has a measured amount of 5 milliliters
Which object weighs more on Earth (g=10 m/s2)?
Answers
The object (2) in the table is the object that would weigh highest on earth.
What is the mass of each of the materials?We know that the mass of the object would be constant irrespective of the place where the object is weighed. The weight of the object on the other hand is dependent on the location where the object is weighed. If the object is weighed on earth, the weight of the object would be dependent on the value of the acceleration due to gravity of the object.
Let us obtain the masses of each of the materials;
Using force = mass * acceleration
mass = force/acceleration
1) 80 /5.5 = 14.5 Kg (Weight = 145 N)
2) 55/2.0 = 27.5 Kg (Weight = 275 N)
3) 23/3.7 = 6.2 Kg (Weight = 62 Kg
4) 63/6.0 = 10.5 Kg (Weight = 105 N)
The weight of the object (2) is the heaviest on earth.
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Which two statements best explains how observations of the spectra of light from galaxies are used to support current theories of the origin and evolution of the universe?
A: Galaxies that are further away tend to have larger redshifts
B: the blueshift observed from distant galaxies indicate that galaxies remain stationary relative to earth
C: the redshift observed from nearby galaxies indicates that most galaxies remain stationary relative to earth
D: the blueshift observed from nearby galaxies indicates that the solar system is orbiting a black hole
E: the redshift observed from distant galaxies indicates that they are moving away faster than nearby galaxies
Answers
Rewrite the following sentence in the negative form >Each library contains 3000 brand new books
Answers
is orbited by at least two geologically active moons: titan and enceladus.
Answers
The statement is true, Saturn is orbited by at least two geologically active moons, Titan and Enceladus. Titan is the largest moon of Saturn and has a dense atmosphere that is mostly nitrogen. It is the only known moon with a dense atmosphere.
Scientists have found the possibility of the existence of methane seas and lakes on Titan. Additionally, there is evidence that the moon has a subsurface ocean made of water and ammonia.Enceladus is the sixth-largest moon of Saturn. The surface of Enceladus is covered by water ice and has a subsurface ocean. The moon has active geysers, which erupt from its south pole. These geysers spew water vapor, ice, and other materials, which form Saturn's E-ring. Saturn is the sixth planet from the Sun and the second-largest planet in the Solar System, after Jupiter. It is known for its beautiful rings, which are made of ice and rock particles. However, Saturn is also orbited by at least two geologically active moons, Titan and Enceladus. Titan is the largest moon of Saturn and has a dense atmosphere that is mostly nitrogen. It is the only known moon with a dense atmosphere. Scientists have found the possibility of the existence of methane seas and lakes on Titan. Additionally, there is evidence that the moon has a subsurface ocean made of water and ammonia.Enceladus is the sixth-largest moon of Saturn. The surface of Enceladus is covered by water ice and has a subsurface ocean. The moon has active geysers, which erupt from its south pole. These geysers spew water vapor, ice, and other materials, which form Saturn's E-ring. The geysers suggest the existence of liquid water beneath the surface, which is a key factor in the search for life beyond Earth.
In conclusion, Saturn is orbited by at least two geologically active moons, Titan and Enceladus. Titan is the largest moon of Saturn, which has a dense atmosphere and the possibility of the existence of methane seas and lakes and a subsurface ocean made of water and ammonia. Enceladus has a subsurface ocean and active geysers that suggest the existence of liquid water beneath the surface. These moons are of great interest to scientists in the search for life beyond Earth.
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what fraction of the initial kinetic energy of the bullet remains after the collision
Answers
After the collision, the fraction of the initial kinetic energy of the bullet that remains depends on the type of collision that occurred. There are two types of collisions: elastic and inelastic.
In an elastic collision, the kinetic energy of the bullet is conserved, meaning that the fraction of the initial kinetic energy that remains after the collision is 1 or 100%. This type of collision occurs when the bullet bounces off of the target without causing any deformation or damage.
In an inelastic collision, some of the kinetic energy of the bullet is lost, meaning that the fraction of the initial kinetic energy that remains after the collision is less than 1 or less than 100%. This type of collision occurs when the bullet causes deformation or damage to the target.
To determine the fraction of the initial kinetic energy of the bullet that remains after the collision, you would need to know the type of collision that occurred and the final kinetic energy of the bullet. The fraction of the initial kinetic energy that remains can be calculated using the following formula:
Fraction of initial kinetic energy = Final kinetic energy / Initial kinetic energy
So, the fraction of the initial kinetic energy of the bullet that remains after the collision depends on the type of collision and the final kinetic energy of the bullet.
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if the mass of the child and sled is 32 kg , what is the magnitude of the average force you need to apply to stop the sled? use the concepts of impulse and momentum
Answers
the magnitude of the average force required to stop the sled is 16 times the velocity of the sled in meters per second.
To calculate the magnitude of the average force required to stop the sled, we can use the concept of impulse and momentum. The equation that relates these two concepts is:
FΔt = mΔvwhere F is the force, Δt is the time interval during which the force is applied, m is the mass of the object, and Δv is the change in velocity.Let's assume that the sled was initially moving with a certain velocity v and that you want to bring it to a complete stop.
The final velocity of the sled will be 0 m/s. Since the mass of the child and sled is 32 kg, we can use the following equation to calculate the average force required to stop the sled:
FΔt = mΔvF Δt = (32 kg) (- v)F Δt = -32v
To determine the value of F, we need to know the time interval Δt during which the force is applied. If we assume that it takes 2 seconds to bring the sled to a stop, then:
F (2 s) = -32vF = -16v Newtons
Therefore, the magnitude of the average force required to stop the sled is 16 times the velocity of the sled in meters per second.
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car is travelling on a straight level section of a highway through a small town at a constant speed of 108 km/h. the absented-minded driver misses the posted speed limit sign. a police car that is stopped next to the sign accelerates 7.5 m/s 2 from rest 5.0 s after the speeding car has passed (c) [4 marks] what is the speed of the police car when it catches up to the speeder?
Answers
The speed of the police car when it catches up to the speeder is 37.5 m/s.
How to determine speed?
To solve the problem, we can use the following kinematic equation:
v = u + at
where:
v = final velocity (unknown)
u = initial velocity of the police car (0 m/s)
a = acceleration of the police car (7.5 m/s²)
t = time elapsed after the police car starts accelerating (5.0 s)
We can also convert the speed of the car from km/h to m/s:
108 km/h = (108 km/h) x (1000 m/km) x (1 h/3600 s) = 30 m/s
Now we can substitute the values into the equation:
v = 0 + (7.5 m/s²) x (5.0 s)
v = 37.5 m/s
Therefore, the speed of the police car when it catches up to the speeder is 37.5 m/s.
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Help please and explain elaborately thanks in advanced
Answers
Answer:
So overall, motion and interference of matter are needed equally for friction, which is held together by the force of gravity. Without gravity, everything would have fly away in the universe, and the friction would not have exist. Hence, friction is dependent on gravity.
Elaborately means in a detailed and carefully arranged manner.
Explanation:
hope this helps!!!!
5 words to describe mass science
Answers
Answer:
Scientific Definition of Mass. Mass is the quantity of inertia (resistance to acceleration) possessed by an object or the proportion between force and acceleration referred to in Newton's Second Law of Motion (force equals mass times acceleration). In other words, the more mass an object has, the more force it takes to get it moving.
Explanation:
Taking somebody else’s ideas and passing them off as your own is called?
Answers
Answer:
Copy Cating or just CopyingExplanation:
I think that the Answer to this is copying because it is like when some body says something and then the other person is mocking them then that would be called COPYING......Answer:
Plagiarism
Explanation:
Its using someone else's stuff and saying its yours.
Describe a method the student could use to investigate how the diameter of a
steel ball affects the terminal velocity.
In your answer, you should include
• a labelled diagram
• the measurements that the student should take
• how the student could use the measurements to find the terminal velocity.
Answers
In the experiment to investigate how the diameter of a steel ball affects the terminal velocity;
The student should take measurements of the time taken to cover equal distances by the steel balls of different diameters.The equation speed = distance/time is used to find the average velocity of the steel balls.The terminal velocity of each steel ball is obtained from the region of a graph of velocity against time where the slope is zero.What is terminal velocity?An object falling through a fluid at its greatest speed is said to have reached its terminal velocity. When the combined drag and buoyancy forces are equal to the force of gravity pulling the object downward, it is observed.
To investigate how the diameter of a steel ball affects the terminal velocity, a student should get steel balls of increasing diameter and record the time it takes for the balls to attain terminal velocity in a viscous fluid.
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You have seen dogs shake to shed water from their fur. The motion is complicated, but the fur on a dog's torso rotates back and forth along a roughly circular arc. Water droplets are held to the fur by contact forces, and these forces provide the centripetal acceleration that keeps the droplets moving in a circle, still attached to the fur, if the dog shakes gently. But these contact forces - like static friction - have a maximum possible value. As the dog shakes more vigorously, the contact forces cannot provide sufficient centripetal acceleration and the droplets fly off. A big dog has a torso that is approximately circular, with a radius of 16cm . At the midpoint of a shake, the dog's fur is moving at a remarkable 2.5m/s .
What force is required to keep a 10 mg water droplet moving in this circular arc?
What is the ratio of this force to the weight of a droplet?
Answers
To determine the force required to keep a 10 mg water droplet moving in the circular arc created by a shaking dog's fur, we can use the centripetal force formula:
F = m * (v^2 / r)
Where F is the centripetal force, m is the mass of the droplet, v is the velocity of the fur, and r is the radius of the circular arc.
Converting the mass of the droplet to kilograms:
m = 10 mg = 10 * 10^(-6) kg
Substituting the given values:
F = (10 * 10^(-6)) * ((2.5)^2 / 0.16)
Calculating this expression gives us the centripetal force required to keep the droplet moving in the circular arc.
To find the ratio of this force to the weight of the droplet, we divide the centripetal force by the weight of the droplet. The weight of the droplet can be calculated using the formula:
Weight = mass * gravitational acceleration
Let's assume the gravitational acceleration to be approximately 9.8 m/s^2.
Weight = (10 * 10^(-6)) * 9.8
Finally, we can calculate the ratio of the centripetal force to the weight of the droplet by dividing the centripetal force by the weight.
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if a car has traveled 24km in 2 hours, what is the average speed?
Answers
Answer:
12
Explanation:
----------------............
A skater of mass 45 kg is travelling in a circle of radius 4 m at a constant speed. What is their speed if the horizontal force they exert on the ground to prevent them from slipping is 1125 N
A 10 m/s
B. 20 m/s
C. 5 m/s
D. 100 m/s
E. The speed cannot be determined since we don't know
the time interval.
Answers
The skater moves at a 10 m/s speed. The right answer is A.
We must examine the forces operating on the skater in order to calculate their speed. The horizontal force applied to the ground creates the centripetal force, which is pointed in the direction of the circular path's center.
The centripetal force is calculated using the formula F = (mv2) / r, where m is the skater's mass, v is the speed, and r is the circle's radius.
We may convert the skater's horizontal force of 1125 N to the centripetal force as follows:
1125 N = (45 kg * v^2) / 4 m.
We rearrange the equation to find v:
1125 N * 4 m = 45 kg * v^2.
4500 N*m = 45 kg * v^2.
If you multiply both sides of the equation by 45 kg, you get:
100 N*m = v^2.
Taking the square root of both sides gives:
v = 10 m/s.
Therefore, the skater's speed is 10 m/s. The correct option is A.
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__________ does not depend on the amount of material you have, but the __________ stored does.
Answers
"The intensity of a physical property does not depend on the amount of material you have, but the total magnitude stored does."
This statement refers to an intrinsic property of a material that remains constant regardless of the amount of material present, while the total magnitude of the property stored within the material increases with the amount of material.
An example to illustrate this concept is the density of a substance. Density is an intensive property because it remains the same regardless of the amount of material. The density of a material is defined as its mass per unit volume. If you have a small sample or a large sample of the same material, the density will remain constant.
On the other hand, if we consider an extensive property such as the total mass, the magnitude of the property stored will depend on the amount of material. The more material you have, the greater the total mass.
Therefore, an intensive property is independent of the amount of material, while an extensive property depends on the quantity of material present.
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suppose the wavelength of the light is 490 nm . how much farther is it from the dot on the screen in the center of fringe e to the left slit than it is from the dot to the right slit?
Answers
The distance from the center of fringe e to the left slit is the same as the distance to the right slit.
d = (m * λ * D) / (y * D +/- x)
\(x_{left} - x_{right}\)= (m * λ * D) / y - (m * λ * D) / y = 0
The term "fringe" can have several different meanings depending on the context. However, one of the most common uses of this term refers to the interference pattern that occurs when waves, such as light or sound, interact with each other. For example, when light passes through a narrow slit or a diffraction grating, it spreads out and produces a pattern of bright and dark fringes on a screen behind it. This pattern is caused by the constructive and destructive interference of the waves passing through the slit or grating.
Fringe can also refer to the edge or border of an object, as in the case of the fringes of a hologram or the fringes of a diffraction pattern. In some cases, the term "fringe" is also used to describe phenomena that are on the boundary or at the limits of our understanding, such as fringe science or fringe theories.
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What are the two goals of the Artemis Mission?
Answers
Answer:
The Artemis program is a U.S. government-funded international human spaceflight program that has the goal of landing the first woman and the next man on the Moon, specifically at the lunar south pole region, by 2024.
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Mark brainliest
2. CHARLES MANSON WAS DIAGNOSED WITH
PERSONALITY DISORDER.
10 points
(A)NARCISSISTIC
(B) BIPOLAR
(C)ANTI-SOCIAL
(D)BORDERLINE
O Other
Answers
Answer:
The answer is C. anti social
Explanation:
Hope that helps!
f the acceleration of a particle on a straight line is given by a(t)=2t 1, with s(0)=3 and v(0)=−2, what is the position function s(t)?
Answers
Answer:
The position function s(t) is s(t) = 1/3 t³ + 1/2 t² - 2t + 3.
Explanation:
The acceleration of a particle on a straight line is given by a(t)=2t 1, with s(0)=3 and v(0)=−2.
Let us calculate the position function s(t)
The position function can be calculated by integrating the velocity function.
Given, the acceleration a(t)=2t+1. We know that, Velocity v(t) = ∫a(t) dt ...[1]Position function s(t) = ∫v(t) dt ...[2]
Substituting the value of a(t) in equation [1],v(t) = ∫a(t) dtv(t) = ∫(2t+1) dtv(t) = t² + t + C where C is the constant of integration.
At t=0, v(0) = -2, therefore-2 = 0 + 0 + C=> C = -2
Now, substituting the value of C in v(t) equation, v(t) = t² + t - 2 Hence, position function s(t) = ∫v(t) dt Substituting the value of v(t),s(t) = ∫(t² + t - 2) dts(t) = 1/3 t³ + 1/2 t² - 2t + C where C is the constant of integration.
At t=0, s(0) = 3Therefore,3 = 1/3 0³ + 1/2 0² - 2(0) + C=> C = 3Now, substituting the value of C in s(t) equation, s(t) = 1/3 t³ + 1/2 t² - 2t + 3 Therefore, the position function is s(t) = 1/3 t³ + 1/2 t² - 2t + 3.
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what would a truck carrying flammable materials use to avoid dangerous conditions due to static charges?
Answers
Static electricity is produced when liquids and dry goods are loaded and unloaded from trucks or trains because of the friction that builds up during the transfer of those goods.
Poorly conductive liquids flowing through plastic tubes have a greater charge level. Static electricity can also be amplified by a rapid flow rate or a lot of air bubbles passing through the tube. Tankers carrying gasoline, propane, or other combustible liquids have the potential to generate 2,250 millijoules of static electricity. For propane to ignite and gasoline vapour to ignite, only 26 millijoules are required.
Explosive substances like dynamite, dangerous goods like flares, fireworks, or weapons. gases that can ignite, like propane. toxic or dangerous gases, as compressed fluorine or helium. liquids that can catch fire, like gasoline. germs and viruses that are infectious and dangerous to both humans and animals.1992, H. L. Walmsley A spark discharge from static electricity in flammable gas, vapour, or air mixtures could result in a fire or an explosion. When safety procedures are missing or neglected, a dangerous substance can readily catch fire.To know more about Static electricity
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what is the potential difference between xi=20cmxi=20cm and xf=40cmxf=40cm in the uniform electric field ex=3000v/mex=3000v/m ?
Answers
The potential difference between xi=20cmxi=20cm and xf=40cmxf=40cm in the uniform electric field ex=3000v/mex=3000v/m is 60V.
What is the electric field?
The electric field is a field that has an effect on electrically charged objects within the field. When electrically charged particles interact with the electric field, they experience a force. The force is proportional to the electric charge on the particle and the electric field strength.
What is the potential difference?
The potential difference is the difference in electric potential between two points in an electric field. The electric potential difference is calculated by subtracting the electric potential at the initial point from the electric potential at the final point. Mathematically, it is represented as ΔV = Vf - Vi.
Given that the electric field ex = 3000V/m.
The potential difference between xi = 20cm and xf = 40cm can be calculated as follows:
Given that xf = 40cm and xi = 20cm, the Potential difference, ΔV = Vf - Vi.
The potential difference can be calculated as ΔV = ExΔxΔV = 3000V/m (40cm - 20cm)ΔV = 3000V/m (0.2m)ΔV = 600VTherefore, the potential difference between xi = 20cm and xf = 40cm in the uniform electric field ex = 3000V/m is 60V.
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The dimensional formula for specific latent heat is
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Answer:
The dimensional formula for specific latent heat is L²/T²
Explanation:
The unit of specific latent heat is J/kg
Please state whether the statement is True or False in the space provided below, and explain the reasoning behind your answer.
The original Phillips curve implied that there was no such thing as a natural unemployment rate.
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The original Phillips curve implied that there was no such thing as a natural unemployment rate -False.
The original Phillips curve did not imply that there was no such thing as a natural unemployment rate. In fact, the original Phillips curve, proposed by economist A.W. Phillips in the 1950s, suggested an inverse relationship between inflation and unemployment in the short run. According to the original Phillips curve, lower unemployment was associated with higher inflation, and vice versa.
However, the concept of a natural unemployment rate was introduced later by economists such as Milton Friedman and Edmund Phelps. They argued that in the long run, there exists a natural rate of unemployment, sometimes referred to as the non-accelerating inflation rate of unemployment (NAIRU). This natural rate is determined by structural factors in the economy and represents the level of unemployment that is consistent with stable inflation.
Therefore, the original Phillips curve did not address the concept of a natural unemployment rate, but subsequent developments in economic theory recognized its existence.
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