Answer:
1.7
Explanation:
because of the bowling
22.3 kg•m/s is the answer.
A 1,383 kg racecar is traveling at 18 m/s east when it accelerates at a constant rate of 1 m/s2 for 1.57 s. What is its change in momentum during this time?
change in momentum during this time is 2166.71 kg m/s.
To find the change in momentum during this time, we can use the equation for momentum, which is:
momentum = mass x velocity
We can also use the equation for acceleration:
a = (vf - vi) / t
Where "a" is acceleration, "vf" is final velocity, "vi" is initial velocity and "t" is time.
We are given that the car's initial velocity is 18 m/s east, the acceleration is 1 m/s2, and the time is 1.57 s. We can use these values to find the car's final velocity:
vf = vi + (a x t)
vf = 18 + (1 x 1.57)
vf = 19.57 m/s east
Now that we know the final velocity of the car, we can use the equation for momentum to find the change in momentum:
change in momentum = mass x (vf - vi).
change in momentum = 1383 x (19.57 - 18).
change in momentum = 1383 x 1.57.
change in momentum = 2166.71 kg m/s.
So, during this 1.57s of time, the car's momentum changes from 18m/s to 19.57m/s east and total change in momentum is 2166.71 kg m/s.
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If a rock is thrown upward on the planet Mars with a velocity of 13 m/s, its height (in meters) after t seconds is given by H = 13t − 1.86t2.
(a) Find the velocity of the rock after one second.
(b) Find the velocity of the rock when t=a.
(c) When will the rock hit the surface? (Round your answer to one decimal place.)
(d) With what velocity will the rock hit the surface?
When a boulder is flung upward on Mars at a speed of 13 m/s, its height (in meters) after t seconds is calculated using the formula H = 13t 1.86t².
(a) The velocity of the rock after one second is approximately 9.28 m/s.
(b) The velocity of the rock when t = a is 13 - 2 * 1.86a.
(c) The rock will hit the surface at t = 0 seconds and approximately t = 6.99 seconds.
(d) The velocity at the surface is 13 m/s when the rock is thrown upward, and it is approximately -8.14 m/s when the rock hits the surface, indicating downward motion.
By analyzing the height equation, we can determine the rock's velocity at different times and predict its impact on the surface.
Therefore :-
(a) To find the velocity of the rock after one second, we need to differentiate the height equation with respect to time (t):
H = 13t - 1.86t²
Differentiating H with respect to t gives us the velocity equation:
\(v = \frac{{dH}}{{dt}} = 13 - 2 \cdot 1.86t\)
Substituting t = 1 into the equation:
v = 13 - 2 * 1.86 * 1 = 13 - 3.72 ≈ 9.28 m/s
Therefore, the velocity of the rock after one second is approximately 9.28 m/s.
(b) To find the velocity of the rock when t = a, we substitute t = a into the velocity equation:
v = 13 - 2 * 1.86a
(c) To find when the rock will hit the surface, we set H (height) to zero and solve for t:
H = 0 = 13t - 1.86t²
To solve the quadratic equation 13t - 1.86t² = 0, we can use the quadratic formula:
\(x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\)
In this case, a = -1.86, b = 13, and c = 0. Plugging in these values, we have:
\(t = \frac{-(13) \pm \sqrt{(13)^2 - 4(-1.86)(0)}}{2(-1.86)}\)
Simplifying further:
\(t = \frac{(-13) \pm \sqrt{169}}{-3.72}\)
Taking the square root of 169, we get:
\(t = \frac{(-13) \pm 13}{-3.72}\)
Now we can calculate the two possible values of t:
\(t_1 = \frac{(-13 + 13)}{(-3.72)} = \frac{0}{(-3.72)} = 0\)
\(t_2 = \frac{(-13 - 13)}{(-3.72)} = \frac{-26}{(-3.72)} \approx 6.99\)
Therefore, the rock will hit the surface at t = 0 seconds and approximately t = 6.99 seconds.
To find the velocity at which the rock hits the surface, we substitute the value of t into the velocity equation:
v = 13 - 2 * 1.86t
For t = 0:
v = 13 - 2 * 1.86 * 0 = 13 m/s
For t ≈ 6.99:
v = 13 - 2 * 1.86 * 6.99 ≈ -8.14 m/s
The negative sign indicates that the velocity is directed downwards.
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Pictured is an animal cell and a plant cell. Which organelle labeled in the plant cell produces the energy for the cell?
Answer:
Mitochondria
Mitochondria. Mitochondria are double membrane-bound cell organelles responsible for the supply and storage of energy for the cell.
Explanation:
The organelle labeled as "mitochondria" in the plant cell produces the energy for the cell through the process of cellular respiration.
What are mitochondria?Mitochondria are organelles found in most eukaryotic cells. They are often referred to as the "powerhouses" of the cell because their main function is to produce energy in the form of ATP (adenosine triphosphate) through a process called cellular respiration.
Mitochondria have an outer membrane and an inner membrane with folds called cristae. The space between the two membranes is called the intermembrane space, while the space inside the inner membrane is called the mitochondrial matrix. The mitochondrial matrix contains enzymes and other molecules needed for the metabolic reactions of cellular respiration.
Cellular respiration is a process that converts glucose and oxygen into ATP, which is the primary energy source for cells. Mitochondria play a key role in this process by breaking down glucose through a series of chemical reactions that ultimately produce ATP. The energy stored in ATP molecules can then be used by the cell for various cellular processes, such as muscle contraction, protein synthesis, and the maintenance of the cell's membrane potential.
In addition to their role in ATP production, mitochondria are also involved in other important cellular functions, such as calcium signaling, apoptosis (programmed cell death), and the synthesis of certain lipids and heme groups. Mitochondrial dysfunction has been implicated in a number of diseases, including Parkinson's disease, Alzheimer's disease, and diabetes.
Therefore, Through the process of cellular respiration, the organelle in the plant cell known as the "mitochondria" generates the energy for the cell.
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How long will it take for the plutonium to no longer exist?
It will take 8 years for the plutonium to no longer exists.
Plutonium is extremely uncommon. On Earth, there are only traces of it. Currently, NASA only has roughly 77 pounds of plutonium-238 available. Other radioactive isotopes can also be used as a heat source for an RTG, but plutonium-238 is a particularly effective one.
It decays more rapidly as it ages due to its half-life. Therefore, even when they are not consuming any of it, their supply is gradually running out. It will only take 8 years for NASA to run out of plutonium and the prospect of finding more in time for their next deep space mission is dim.
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on an x-ray, an area of low density is said to be ________.
On an x-ray, an area of low density is said to be radiolucent and shows up as a dark or less dense area in the image.
A region of low density on an X-ray is referred to as radiolucent. Any item or substance that allows X-rays to easily flow through is referred to as radiolucent. It shows up as a darker or less dense area on the X-ray image.
Air, fat, and specific types of tissue are only a few of the causes of radiolucent regions. In contrast to bone, which is solid and difficult for X-rays to pass through, which appears radiopaque or lighter in colour on an X-ray, a lung full with air will seem radiolucent on an X-ray image.
Radiolucent regions on an X-ray can give doctors and other medical professionals important diagnostic data.
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A convex mirror with a focal length of –20.0 cm forms an image 12 cm behind the surface. Where is the object as measured from the surface?
Given
The focal length is f= -20 cm
The image distance is v= -12cm
To find
The object distance
Explanation
The mirror formula is
\(\begin{gathered} \frac{1}{f}=\frac{1}{u}+\frac{1}{v} \\ \Rightarrow\frac{1}{^-20}=\frac{1}{u}+\frac{1}{^-12} \\ \Rightarrow u=30cm=3.0\times10\text{ cm} \end{gathered}\)Conclusion
The object distance is 30x10 cm.
A 61.7 kg carpenter at a construction site plans to swing in a circular arc from one roof top to an adjacent roof at the end of a 11.5 meter rope suspended from a crane boom. if her wiry arms, toughened by years of driving spikes with a no. 22 framing hammer, are capable of exerting 1229 n of force on the rope, what is the maximum speed that she can tolerate at the low point of her swing?
At the lowest point of her swing, she can withstand a maximum speed of 10.78 m/s.
Given that,
Mass of the carpenter = 61.7 kg
Length of the rope = 11.5 m
Capable force = 1229 N
Centripetal force acting on the body,
F = mv²/r = (61.7× v²)/11.5 = 5.37 v²
Gravitational force acting on her is
F = m × g = 61.7 × 9.81 = 605.28 N
By summing up gravitational and centripetal forces to get the total available force,
5.37 v² + 605.28 = 1229
5.37 v² = 623.72
v² = 116.15
v = 10.78 m/s
Hence, the maximum speed at the low point of her swing is 10.78 m/s.
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A boy rides a sled down a steep, snow.covered hill. Which of
the following takes place during the child's ride?
a
Potential energy decreases and kinetic energy
increases.
Need a Hint?
b
Potential energy increases and kinetic energy
decreases
c Both kinetic and potential energy increase.
Answer:
a. Potential energy decreases and Kinetic energy increases
Explanation:
Because as he comes down due to its steepness the speed of the boy or you can say his KE increases and since he comes from a high position (hill) to the lower ground his potential energy decreases simultaneously
Answer:
Potential energy decreases and kinetic energy increases.
Explanation:
That was the answer on my CK12
This process releases a large amount of . Energy ,oxygen ,or water
Answer:
carbon dioxide i think please be right
How does a concave mirror form an image
A) it bends the light toward a focal point
B) it bends the light away focal point
C) it bounces the light towards a focal point
D) it bounces the light away from a focal point
Answer:
The correct option is (c) "it bounces the light towards a focal point"
Explanation:
There are two types of spherical mirrors i.e. concave and convex.
A concave mirror is a type of spherical mirror that is curved inwards. For this type of mirror the rays of light are bounced back and converge to the focal point of the mirror.
So, the correct option is (c).
Answer:
c
Explanation:
a metal block measures 10cm×2cm×2cm. What is its volume? How many blocks each 2cm×2cm×2cm have the same total volume?
40cm³ is volume of a metal block measures 10cm×2cm×2cm and 5 blocks have the same total volume.
volume=l×b×h
volume=10cm×2cm×2cm= 40cm³
volume=l×b×h
volume= 2cm×2cm×2cm=8cm³
blocks have the same total volume= 40cm³/8cm³= 5
The space occupied inside an object's borders in three dimensions is referred to as its volume. It is sometimes referred to as the object's capacity. Finding an object's volume can help us calculate the quantity needed to fill it, such as the volume of water needed to fill a bottle, aquarium, or water tank.
A sphere is the most basic and typical form of a three-dimensional shape. We see spheres on a regular basis in the form of balls, globes, ornamental lights, oranges, etc.
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A car of mass 1200kg starting from 15m/s achieved the velocity of 66m/s ,If 6572N force is applied then find out time taken and acceleration.
Note:-
If p/q form arises find answer in decimals .
Read the question first then answer.
Spams/wrong/plagarised/short answers will be deleted on the spot .
Answer:
acceleration: 5.48 m/s²
time taken: 9.3 seconds
Given:
mass: 1200 kgforce: 6572 Ninitial velocity: 15 m/sfinal velocity: 66 m/s\(\boxed{\sf acceleration = \dfrac{Force}{mass}}\) \(\boxed{\sf time \ taken = \dfrac{final \ velocity - initial \ velocity}{acceleration} }\)
using the formula's:
answer 1:
\(\sf acceleration = \dfrac{F}{m}\)
\(\sf acceleration = \dfrac{6572 }{1200 }\)
\(\sf acceleration = 5.4766... \ m/s^2\)
\(\sf acceleration = 5.48 \ m/s^2\) // rounded to nearest hundredth //
answer 2:
\(\sf time \ taken = \dfrac{\Delta v}{a}\)
\(\sf time \ taken = \dfrac{66 - 15}{5.48}\)
\(\sf time \ taken = 9.3122 \ seconds\)
\(\sf time \ taken = 9.3 \ seconds\) // rounded it to nearest tenth //
Answer:
\(\large\boxed{\sf Time =9.30\ s }\)
\(\large\boxed{\sf Accl^n =5.47\ m/s^2 }\)
Explanation:
Here it is given that a car of mass 1200kg has an initial velocity of 15m/s achieves a velocity of 66m/s . A force of 6572N was applied in order to increase the velocity and we need to find the time taken in doing so .
From Newton's Second Law of Motion ,
The rate of change of momentum is directly proportional to the applied force in the direction of the force . Mathematically ,\(\sf\qquad\longrightarrow Force = \triangle p\\\\ \)
As momentum (p) = mass × velocity ,
\(\\\sf\qquad\longrightarrow Force = \dfrac{m(v-u)}{t} \\\\ \)
Here ,
u = 15m/s v = 66m/s Force = 6572N• On substituting the respective values ,
\(\sf\qquad\longrightarrow 6572N = \dfrac{1200kg ( 66- 15 )m/s }{t}\\\\ \)
\(\sf\qquad\longrightarrow 6572N = 1200kg \times \dfrac{51}{t} \\\\ \)
\(\sf\qquad\longrightarrow t = \dfrac{1200×51}{6572N } \\\\ \)
\(\sf\qquad\longrightarrow t =\dfrac{61200}{6572}s \\\\ \)
\(\sf\qquad\longrightarrow \pink{\frak{ Time = 9.30\ s }} \)
• For finding acceleration ,
\(\sf\qquad\longrightarrow Force = mass * acceleration \\\\ \)
\(\sf\qquad\longrightarrow accl^n =\dfrac{Force}{mass} \\\\ \)
\(\sf\qquad\longrightarrow accl^n =\dfrac{6572N }{1200kg} \\\\ \)
\(\sf\qquad\longrightarrow \pink{\frak{ acceleration= 5.47\ m/s^2}} \\\\ \)
\(\rule{200}4\)
Describe the changes occur while mixing of two ideal gases Match the words in to the appropriate blanks in the sentence. Ideal gases mix because whilemong the ____ of Ideal gases ____
Entropy, Increases, enthalpy, decreases, potential energy
Ideal gases mix because while mixing the entropy of the system increases and the enthalpy decreases.
Entropy is a measure of the disorder of a system, the more disorder a system has the higher its entropy. Ideal gases have high entropy because their molecules are in constant random motion and have a large number of possible microstates. When two ideal gases mix, the number of microstates increases, leading to an increase in entropy.
Enthalpy is a measure of the total energy of a system, including both internal energy and potential energy. Ideal gases have low enthalpy because they have low internal energy and low potential energy. Mixing two ideal gases reduces the potential energy between the molecules, leading to a decrease in enthalpy.
In summary, the mixing of two ideal gases results in an increase in entropy, and a decrease in enthalpy and potential energy. This is an example of how the mixing of gases leads to an increase in disorder in the system.
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Two forces of 3N and 8N act on an object at an angle of 30 degrees to each other. What is the dot product of these force vectors? O 12.00 O20.78 4.24 O24.00 O Other:
The dot product of the force vectors is 12√3N². The dot product of two vectors is calculated by multiplying their magnitudes and the cosine of the angle between them.
In this case, we have two forces, 3N and 8N, acting on an object at an angle of 30 degrees to each other.
To calculate the dot product, we can use the formula:
Dot Product = Magnitude of the first vector * Magnitude of the second vector * cosine(angle)
Magnitude of the first vector (3N)
Magnitude of the second vector (8N)
Angle between the vectors (30 degrees)
Let's calculate the dot product:
Dot Product = 3N * 8N * cos(30 degrees)
Using the cosine of 30 degrees, which is √3/2, we have:
Dot Product = 3N * 8N * (√3/2)
= 24N²* (√3/2)
= 24N* (√3/2)
Dot Product = 12√3N²
Therefore, the dot product of the force vectors is 12√3N²
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A 1.3 kg book has 11.7 joules of potential energy relative to the floor when it's sitting on top of
Brenda's dresser. Calculate how tall Brenda's dresser is?
A plane flew at a speed of 600 km/hr for a distance of 1500 km,
How long did take to get to its destination
Explanation:
600 ÷ 60 = 10
1500 ÷ 10 = 150 minutes
I don't know how you should express the answer in:
So it's either 150 minutes or 2 hours and 30 minutes.
(This is kind of like mathematics, not physics)
A racecar tarting from ret acclerate uniformly at a rate of 4. 9 meter per econd2. What i the car' peed after it ha traveled 200 meter
The car's speed after it has traveled 200 m is 44.27 m/s.
The complete question is in the attachment. The car reaches some speed from its rest with acceleration, so it travels in non-uniform motion. The speed of the car will increase with time. The formula that has distance and acceleration
v₂² = v₁² + 2ad
The final speed = v₂The initial speed = v₁ = 0The acceleration = a = 4.90 m/s²The distances = d = 200 mv₂² = v₁² + 2ad
v₂² = 0² + (2 × 4.90 × 200)
v₂² = 1,960
\(v_2 \:=\: \sqrt{1,960}\)
v₂ = 44.27 m/s
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pls answer this i need it
Answer:
timothy 50
jovanniel 80
PJ 100
Explanation:
tras me
In operant conditioning, many complex behaviors are learned through shaping.
T or F
explain the hall effect
Answer: The Hall effect is the movement of charge carriers through a conductor towards a magnetic attraction. The Hall effect causes a measurable voltage differential across the conductor such that one side is positively charged and the other negatively.
Explanation:
Because of the ______________________, we can predict that gravity works the same way on earth as it does on mars.
Because of the cosmological principle, we can predict gravity works similarly on Earth as on Mars.
The cosmological principle says that an observer's view of the universe is independent of both the direction he looks and his location. This principle only applies to the universe's large-scale properties, but it does suggest that the world has no edge, implying that the big-bang origin took place not at a specific point in space, but instead throughout space at the exact time.
These two assumptions allow us to determine the history of the universe after a specific epoch known as the Planck time. Scientists are yet to discover what existed prior to Planck time.
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Which of the following has the
highest gravitational potential energy?
A. A truck at the top of a hill
B. A bike speeding down a hill
C. A dog at the top of a hill
Answer:
maybe a. what you think . about that
Compare and contrast the eye and a camera. What parts of the camera correspond to the iris, the retina, and the cornea of the eye?
The eye and a camera share similarities in the way they capture images. However, they also differ in several ways such as the eye is capable of adjusting to different lighting conditions and focusing on objects at different distances, whereas a camera requires manual adjustments to achieve the same effects.
The iris in the eye corresponds to the aperture in a camera. The aperture controls the amount of light that enters the camera, just as the iris controls the amount of light that enters the eye. Both the iris and aperture can be adjusted to let in more or less light depending on the situation.
The retina in the eye corresponds to the image sensor in a camera. The retina converts the light that enters the eye into electrical signals that are sent to the brain, allowing us to see. Similarly, the image sensor in a camera converts the light that enters the camera into digital signals that are stored on memory cards.
The cornea in the eye corresponds to the camera lens. The cornea helps to focus light onto the retina, just as the lens of a camera helps to focus light onto the image sensor. Both the cornea and the camera lens can be adjusted to change the focus of the image.
Overall, while there are similarities between the eye and a camera, there are also several differences in the way they function. The eye is a complex organ that is capable of adjusting to different lighting conditions and focusing on objects at different distances, whereas a camera requires manual adjustments to achieve the same effects.
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a body travels from rest with acceleration 8ms-2. Find it velocity when it has covered a distance of 100meters
40 m/s
We have the equation of motion v^2-u^2= 2as ------------- ( i)
where v = final velocity which is unknown let it be x m/s
u = initial velocity which is 0 m/s ...( The body starts from rest )
a = Acceleration gained by body = 8 m/s^2
s stands for distance covered in till v velocity which is 100 meters.
So by using equation( i)
x^2- 0 = 2*100*8x^2 = 1600x = Sqrt(1600)x = 40So the velocity of the body will be 40 m/s when it had a covered distance of 100 meters.
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= Sem 2 CR-SS159VGSZE
nating a my ponnesis. I art
Since the investigative question has two variables, you
need to focus on each one separately. Thinking only
about the first part of the question, mass, what might be
a hypothesis that would illustrate the relationship
between mass and kinetic energy? Use the format of
"if...then...because..." when writing your hypothesis.
The relationship between mass and kinetic energy is K.E ∝ m and K.E ∝ v².
What is the relationship between mass and kinetic energy?The kinetic energy of an object exists as the energy that it maintains due to its motion. It is defined as the work required to accelerate a body of a disseminated mass from rest to its stated velocity. Having acquired this energy during its acceleration, the body preserves this kinetic energy unless its speed changes.
The kinetic energy is directly proportional to the mass and also directly proportional to the square of the velocity.If we increase the mass, then kinetic energy will also increase.But if we increase the velocity by n times , then the kinetic energy will increase by \(n^{2}\) times.To know more about kinetic energy, refer:
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1. A capacitor is made of 2 rectangular metal plates with side length of 3cmx6cm separated by a distance of 2. 36cm with water in between the plates. The capacitor has a voltage of 110v and is not connected to a battery. Calculate the capacitance. What is the new capacitance if we replace water with a new dielectric material with a constant of 3. 75 in between the plates? What is the new voltage? What is the charge on each plate?
2. A capacitor of 3. 23µF has an area of 6. 35mm^2. Determine the separation distance between the two plates. If the new capacitance is now 5. 63mF, what is the value of the dielectric inserted to the capacitor? What is the new voltage if the capacitor is connected to a 110 volts source? If the electric field created by two plates 8. 99x10^4 N/C and a working voltage of 63 volts. Will the capacitor experience a dielectric breakdown? Prove your answer.
USE GRESA
the electric field is more than the threshold value and the capacitor will experience dielectric breakdown.
1. Given values are,
side length of metal plates, a = 3 cm and b = 6 cm
distance between the plates, d = 2.36 cm
voltage, V = 110 V
dielectric constant of water, k = 80.4
dielectric constant of new material, k2 = 3.75
a) To calculate the capacitance of capacitor, the formula is, C=εA/d ……………… (1)
where A = area of plate, ε = permittivity, and d = separation distance between two plates.
We know that the permittivity of vacuum is given as, ε0 = 8.854 x 10^-12 F/m
The capacitance of capacitor can be expressed as,
C1 = ε0 (kA/d) …………….. (2)
where, ε0 = permittivity of vacuum, k = dielectric constant and A = area of plate.
Substituting the given values in equation (2),
C1 = 8.854 x 10^-12 x 80.4 x (0.03 x 0.06)/0.0236
C1 = 0.000132 F
Therefore, the capacitance of capacitor is 0.000132 F.
b) To calculate the new capacitance, the formula is given as,
C2 = k2ε0A/d ……………… (3)
where k2 is the dielectric constant of new material.
Substituting the given values in equation (3),
C2 = 3.75 x 8.854 x 10^-12 x (0.03 x 0.06)/0.0236
C2 = 0.000263 F
Therefore, the new capacitance is 0.000263 F.
c) The new voltage can be calculated as,
V2 = V1(C1/C2) …………… (4)
Substituting the given values in equation (4),
V2 = 110 (0.000132/0.000263)
V2 = 55 V
Therefore, the new voltage is 55 V.
d) The charge on each plate is given as,
Q = CV ………….. (5)
Substituting the given values in equation (5),
Q = 0.000132 x 110
Q = 0.0145 C
Therefore, the charge on each plate is 0.0145 C.
2. Given values are,
capacitance, C = 3.23 µF
area of plate, A = 6.35 mm^2
separation distance between two plates, d = ?
new capacitance, C2 = 5.63 mF
new dielectric constant, k2 = ?
voltage, V = 110 V
electric field between two plates, E = 8.99 x 10^4 N/C
working voltage, Vw = 63 V
a) The separation distance between two plates can be calculated as,
C1/C2 = d2/d1 …………….. (6)
where d1 and d2 are the initial and final separation distance, respectively.
Substituting the given values in equation (6),
3.23 x 10^-6/5.63 x 10^-3 = d2/d1
d2 = 5.63 x 10^-3 x (d1/3.23 x 10^-6)
Area of plate, A = 6.35 mm^2 = 6.35 x 10^-6 m^2
The capacitance can be expressed as,
C = εA/d
d = εA/C
where ε = permittivity of dielectric material.
Therefore, substituting the given values in above equation,
d1 = ε x 6.35 x 10^-6/3.23 x 10^-6
d1 = 12.50 ε
Substituting the value of d1 in equation (6),
5.63 x 10^-3 = d2/12.50 ε
d2 = 70.38 ε
The separation distance between two plates is 70.38 ε.
b) The new dielectric constant can be calculated as,
C2 = k2ε0A/d2
k2 = C2d2/ε0A
Substituting the given values in above equation,
k2 = 5.63 x 10^-3 x 70.38 ε/(8.854 x 10^-12 x 6.35 x 10^-6)
k2 = 3.95
Therefore, the new dielectric constant is 3.95.
c) The new voltage can be calculated as,
V2 = V1(C1/C2)
Substituting the given values in above equation,
V2 = 110(3.23 x 10^-6/5.63 x 10^-3)
V2 = 0.063 V
Therefore, the new voltage is 0.063 V.
d) The electric field can be expressed as,
E = V/d
d = V/E
Substituting the given values in above equation,
d = 63/8.99 x 10^4
d = 7.01 x 10^-4 m
The voltage, V = 110 V > working voltage, Vw = 63 V
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an objects potential energy is do to its?
An objects potential energy is due to its state of rest.
Define potential energy
Potential energy is a form of accumulated energy that is dependent on the relationship between different system components. When a spring is compressed or expanded, its potential energy increases. The potential energy of a steel ball is greater when it is raised above the earth than when it is brought to Earth.
Energy that is conserved or kept in a substance or object is known as potential energy. The position, arrangement, or condition of the item or substance determines the amount of stored energy. It can be pictured as energy with the "potential" to perform labor. Mechanical energy, electrical energy, chemical energy, radiant energy, nuclear energy, and heat energy are the six categories of potential energy.
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A portion size is always equivalent to the serving size listed on the label. A. True B. False
Answer:
Hi, there your answer is False
Explanation:
FILL IN THE BLANK. Two waves are traveling through a container of an inert gas. Wave A has an amplitude of 0.1 cm. Wave B has an amplitude of 0.2 cm. The energy transported by wave B must be __________ the energy transported by wave A.
a. one-fourth
b. one-half
c. two times larger than
d. four times larger than
c. Two times larger than. The energy transported by a wave is proportional to the square of its amplitude, so wave B with an amplitude of 0.2 cm has four times the energy of wave A with an amplitude of 0.1 cm.
Therefore, the energy transported by wave B is two times larger than the energy transported by wave A.
Your answer: d. four times larger than
Two waves are traveling through a container of an inert gas. Wave A has an amplitude of 0.1 cm, and Wave B has an amplitude of 0.2 cm. The energy transported by wave B must be four times larger than the energy transported by wave A.
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Theo mixes cake batter and places it in the oven at 350°F for 45 minutes. Explain what type of reaction baking a cake represents in terms of energy.
Answer:
Baking a cake requires heat to be applied to the batter in order for it to cook and chemically change into cake. The energy or heat applied is absorbed by the ingredients, so this represents an endothermic reaction.
Explanation:
that's the sample answer, hope it helps
The batter needs to be heated in order to cook and chemically transform into a cake when it is baked. An endothermic reaction is taking place because the energy or heat applied is being absorbed by the constituents.
What is energy?The quantitative characteristic that is transferred to a body or a physical system in physics is referred to as energy. It manifests itself as heat and light, as well as the act of doing work. Energy is a resource that is conserved; it can only be changed from one form to another and cannot be created or destroyed, according to the law of conservation of energy. The SI unit of energy measurement is the joule (J).
According to the question, there are various types of reactions two of which are endothermic reactions and exothermic reactions.
In an endothermic lot of energy is absorbed and in opposition to the exothermic reaction lot of energy is released.
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