Suppose you are looking at two graphs of velocity vs time. The first graph is of an object undergoing constant positive acceleration of 2 m/s², and the second graph is of an object undergoing constant positive acceleration of 4 m/s². How do the graphs compare?(1 point)

A. Both graphs are linear with positive slopes, but the second graph has a steeper slope than the first graph.
B. Both graphs are constant, horizontal lines, but the second graph has a higher constant line than the first graph.
C. Both graphs are linear with positive slopes, but the first graph has a steeper slope than the second graph.
D. Both graphs are constant, horizontal lines, but the first graph has a higher constant line than the second graph.

The fringe that is most distant from the central bright fringe occurs at 79.5°.

Given information,

Slits separation d = 1.14 × 10⁻² mm

The wavelength of light, λ = 590 × 10⁻⁹ m

Condition for constructive interference

d sinθ = mλ

sinθ = mλ/d

The order of the fringes

m = d/λ = 1.14 × 10⁻⁵m /  590 × 10⁻⁹ m

m = 19.32

Total fringes are 2(19) +1 = 39

Consequently, the angle at which the fringe that is farthest from the center's brightest fringe occurs will depend on the original direction of the beam.  sinθ = mλ/d

θ = sin⁻¹ (mλ/d)

= sin⁻¹ [(19)( 590 × 10⁻⁹ m )/(1.14 × 10⁻⁵ m)]

= 79.5°

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Your question is incomplete, most probably the full question is this:

Part A

On a very large distant screen, what is the total number of bright fringes (those indicating complete constructive interference), including the central fringe and those on both sides of it? Solve this problem without calculating all the angles! (Hint: What is the largest that can be? What does this tell you are the largest value of ?) Slits separation by 1.14 × 10⁻² mm and the wavelength of light is 590 × 10⁻⁹ m

39.0

Correct

At what angle, relative to the original direction of the beam, will the fringe that is most distant from the central bright fringe occur?

= ?

Answer:

Mass of box = 7 kg

Explanation:

Force = 70 N

Acceleration = 10 m/s²

Force is product of mass and acceleration.

\( \longrightarrow \) Force = Mass × Acceleration

\( \longrightarrow \) 70 = Mass × 10

\( \longrightarrow \) Mass = \( \sf \dfrac{70}{10} \)

\( \longrightarrow \) Mass = 7 kg

Magellan could not use Polaris for navigation in the Southern Hemisphere because it is not visible from that region.

Polaris, also known as the North Star, has been used for navigation by explorers in the Northern Hemisphere. However, when Magellan sailed to the Southern Hemisphere, he could not use Polaris for navigation.

Polaris is located very close to the North Celestial Pole, which means it appears to be almost directly above the Earth's North Pole. As a result, when navigating in the Northern Hemisphere, Polaris remains relatively fixed in the night sky, providing a reliable point of reference for determining north.

In the Southern Hemisphere, however, Polaris is not visible. This is because it is located close to the Earth's North Pole, and the South Celestial Pole does not have a bright star comparable to Polaris. Navigators in the Southern Hemisphere must rely on other celestial objects, such as the Southern Cross or specific constellations, to determine their direction.

Therefore, Magellan could not use Polaris for navigation in the Southern Hemisphere because it is not visible from that region.

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The most likely time for the instantaneous acceleration to be zero is t = 2.7 sec

Instantaneous acceleration : The acceleration at any given point in the motion is provided by the continuous time function a(t), which is written as a function of time. The derivative of the velocity function is used to calculate it. The graph of velocity versus time's slope, or instantaneous acceleration, is a measure of motion.

The slope of the tangent line to the graph at any given point on the graph corresponds to the instantaneous acceleration there. The instantaneous acceleration of the particle is equal to 0 when this line is horizontal and has a slope of 0.

According to the plot, these times correspond to the velocity function's extrema, which can be found at t = 1.75, 2.75, 3.25, and for all t = 4.

Thus the most likely time is t = 2.7

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Answer: 7.2%

Explanation:

Given

Efficiency of converting energy produced by wind into electricity is about \(\eta_1=40\%\)

Transport of electricity efficiency \(\eta_2=90\%\)

Fluorescent light bulb efficiency is \(\eta_3=20\%\)

Overall efficiency is the product of all the efficiencies i.e.

\(\Rightarrow \eta=\eta_1\times \eta_2\times \eta_3\\\\\Rightarrow \eta=0.4\times 0.9\times 0.2\\\Rightarrow \eta=0.072\ \text{or}\ 7.2\%\)

Therefore, the overall efficiency is 7.2%

ANSWER:

1st option: 70 cm

STEP-BY-STEP EXPLANATION:

Given:

Force (F) = 5.73 E−1 N^

Electrical charge 1 (q1) = 1.2 E−5 C

Electrical charge 2 (q2) = 2.5 E−6 C

k = 8.99 E9 N*m2/C2

We can calculate the distance between both charges with the help of Coulumb's law, just like this:

We substitute and solve for the distance, just like this:

The distance is 70 centimeters

The maximum height the car can coast up the hill (engine disengaged) is approximately 21.8 meters.

To determine the maximum height the car can coast up the hill, we can apply the principle of conservation of mechanical energy. When the car is coasting up the hill, its initial kinetic energy is converted into potential energy as it gains height.

The initial kinetic energy (KE) of the car is given by the formula:

KE = (1/2)mv²

where m is the mass of the car and v is its initial speed.

Given that the initial speed is 88.0 km/h, we need to convert it to meters per second (m/s). There are 3.6 m/s in 1 km/h, so:

v = 88.0 km/h × (1000 m/1 km) / (3600 s/1 h) ≈ 24.4 m/s

Assuming the mass of the car is negligible compared to its kinetic energy, we can disregard it in this calculation.

The potential energy (PE) gained by the car as it reaches its maximum height is given by:

PE = mgh

where m is the mass of the car, g is the acceleration due to gravity (approximately 9.8 m/s²), and h is the maximum height.

At the maximum height, all of the car's initial kinetic energy is converted into potential energy, so:

KE = PE

(1/2)mv² = mgh

h = (1/2) v²/g

h = (1/2) × (24.4 m/s)² / (9.8 m/s²) ≈ 21.8 meters

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Answer:

42 °

Explanation:

From the question given above, the following data were obtained:

Force (F) = 45 N

Workdone (Wd) = 50 J

Distance (d) = 1.5 m

Angle (θ) =.?

Angle at which the box is pulled can be obtained as:

Wd = Fd × Cos θ

50 = 45 × 1.5 × Cos θ

50 = 67.5 × Cos θ

Divide both side by 67.5

Cos θ = 50 / 67.5

Cos θ = 0.7407

Take the inverse of Cos

θ = Cos¯¹ 0.7407

θ = 42.2 ≈ 42 °

Thus, the angle at which the box is pulled is approximately 42 °.

When the plates of a charged parallel plate capacitor are pulled apart, the capacitance decreases. As a result, the voltage across the capacitor increases, even though the charge remains constant.

If the plates of a parallel plate capacitor are pulled away from each other after being charged to voltage V and the charge on the plates remains fixed, the separation distance between the plates would increase. As a result, the capacitance of the capacitor would decrease since capacitance is inversely proportional to the distance between the plates. According to the formula Q = CV, where Q is the charge and C is the capacitance, with a fixed charge Q and decreasing capacitance C, the voltage V would increase.

Therefore, pulling the plates away from each other would cause the voltage across the capacitor to increase.

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The period of a satellite orbiting mercury 265,000 m above its surface is 100 minutes if the radius of the planet mercury is 2.43*10^6m and its mass is 3.2*10^23 kg.

v = √ G M / r

r = R + d

v = Orbital velocity

G = Gravitational constant

M = Mass of planet

r = Radius of the orbit

R = Radius of planet ( mercury )

d = Distance from surface to satellite

m = 3.2 * \(10^{23}\) kg

R = 2.43 * \(10^{6}\) m

d = 265000 m

G = 6.67 * \(10^{-11}\) N m² / kg²

r = R + d

r = 2.43 * \(10^{6}\) + 265000

r = 2.695 * \(10^{6}\) m

v = √ ( 6.67 * \(10^{-11}\) * 3.2 * \(10^{23}\) ) / 2.695 * \(10^{6}\)

v = √ 7.92 * \(10^{6}\)

v = 2.81 * 10³ m / s

v = 2.81 km / s

v = 2 π r / T

T = Time period

T = 2 * 3.14 * 2.695 * \(10^{6}\) / 2.81 * 10³

T = 6.02 * 10³ s

T = 100 minutes

Therefore, the period of a satellite orbiting mercury is 100 minutes

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If three atoms of helium fuse to form carbon than 0.009 u of mass is converted into energy

Given: m(He) = 4.003 u

and m(C) = 12.000 u

Mass of 3 alpha particles =3×4.003 u

                                       =12.009 u.

Mass of 1 carbon atom=12.000 u

Mass Defect =△m=12.009−12.000=0.009 u

Energy released =0.009×931.5=8.3835 MeV.

So, 0.009 u of mass is converted into 8.38 Mev energy.

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A γ-ray photon has a momentum of 8.00×\(10^{-21}\) kgm/s. The wavelength of the photon is 8.28×\(10^{-14}\) m and The energy of the photon is 2.40×\(10^{-13}\) J.

We know that the momentum (p) of a photon is related to its wavelength (λ) by

p = h/λ

Where h is the Planck's constant (h = 6.626×\(10^{-34}\) J⋅s).

Using the above equation, we can solve for the wavelength (λ)

λ = h/p

λ = (6.626×\(10^{-34}\) J⋅s) / (8.00×\(10^{-21}\)kgm/s)

λ = 8.28×\(10^{-14}\) m

Therefore, the wavelength of the photon is 8.28×\(10^{-14}\) m.

The energy (E) of a photon is related to its frequency (f) by

E = hf

Where f is the frequency.

Since the speed of light (c) is related to the wavelength and frequency by c = fλ, we can also write

E = hc/λ

Using the value of λ we calculated earlier, we can solve for the energy (E)

E = (6.626×\(10^{-34}\)J⋅s)(3.00×\(10^{8}\) m/s) / (8.28×\(10^{-14}\) m)

E = 2.40×\(10^{-13}\)  J

Therefore, the energy of the photon is 2.40×\(10^{-13}\)  J.

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Answer:  win it no bouncing

Explanation:

Answer:

circular motion

Explanation:

As a motorcycle takes a sharp turn, the type of motion that occurs is called circular motion.

Circular motion is a movement of an object along a circular path. As this motorcycle makes the sharp turn, it is acted upon by a centripetal force which directs the motorcycle towards the center.

Therefore, circular motion is the correct answer to the question.

Answer:

Circular Motion

Looping refers to option B, which is the process of rerecording sound that was originally recorded on set. This is done in a studio setting and is also known as Automated Dialogue Replacement (ADR).

It is typically used to fix any issues with the original sound recording, such as background noise or actors speaking too softly or too loudly. By rerecording the dialogue in a controlled environment, the sound can be adjusted to better fit the scene and create a more polished final product.

Definitions of looping. (computer science) executing the same set of instructions a given number of times or until a specified result is obtained. synonyms: iteration. type of: physical process, process. a sustained phenomenon or one marked by gradual changes through a series of states.

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Answer:

The surface closest to the balloon becomes positively charged, while the far side of the can becomes negatively charged. This results in an attractive force that draws the can to the balloon.

Explanation:

Answer:

The balloon is negatively charged.

Explanation:

hope it helps

Answer:

0.6amp or I= 0.6

Explanation:

V=IR

12V=I(20)

12/20=I

0.6=I

Answer:

0.6amp

Explanation:

"Yes, the electronic crime scene is handled completely differently from a traditional crime scene. The electronic crime scene refers to a crime that has taken place in the digital world.

In contrast, a traditional crime scene refers to a crime that has taken place in the physical world, and it is evident that the two scenarios are handled differently.

An electronic crime scene refers to the area or place where electronic evidence is gathered for use in investigations or legal proceedings. Electronic evidence refers to information or data stored, created, or transmitted in electronic devices, including computers, smartphones, flash drives, and other digital devices. The collection of electronic evidence differs significantly from the collection of traditional evidence. The first step is the preservation of electronic evidence. In a traditional crime scene, it is possible to cordon off the area using yellow tapes, close windows, and take photographs of the scene. However, this is not the case with an electronic crime scene since electronic evidence is intangible. This is why digital forensic investigators begin the evidence preservation process by creating a forensic image of the electronic device under investigation. This is done to prevent data loss or alteration before investigations commence.

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Answer:

B is the answer

Explanation:

Magnetic fields are produced by moving electric charges and the intrinsic magnetic moments of elementary particles associated with a fundamental quantum property, their spin.

7. Gravitational force is an attractive force that always exists between any two objects with mass. Gravitational fields are usually studied on a macroscopic scale, such as with planets and stars

8. Planets orbit stars because of the gravitational force between them.

9. The strength of an object's gravitational field is determined by its mass and distance from other objects.

Gravitational force  is described as the  force of attraction between any two bodies is directly proportional to the product of their masses and is inversely proportional to the square of the distance between them.

The gravitational force of the star attracts the planet towards it which makes it tp move  in a curved path around the star.

The gravitational force between the planet and the star is the reason why the planet move in an elliptical orbit around the star.

The strength of an object's gravitational field is determined by its mass and the distance between it and other objects, and has an important function of shaping the dynamics and structure of the universe.

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Given:

The current density is,

a is a constant, and the radius of the wire is R.

To find:

The current in the wire

Explanation:

The current in the wire is,

We know,

So,

Hence, the required current is,

Electric current is a term used to describe how much electricity flows across a circuit and how it flows in an electronic circuit. Amperes are used to measure it (A).

The energy of charged particles is referred to as electricity. One option for storing electricity is a battery. Electricity flows when you connect a battery to a light bulb. Due to the fact that electrical charges (electrons) can freely transport energy from the battery through the bulb, this occurs.

Disconnect the power source. This is the first and most crucial requirement to abide by. This is the first and most crucial rule to adhere to. If you ever need to repair electrical equipment in your house, be sure to first unplug it from the power source. It might not be sufficient to simply turn it off.

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Answer:

I need to see the answer choices firsts silly

Explanation:

I need to see the answer choice firsts in order to answer because it can be many different answers

The acceleration a1 of the block when it passes through its equilibrium position can be expressed as: a1 = -a (m/k) where a is the amplitude of the oscillation, m is the mass of the block, and k is the spring constant.


When the block passes through its equilibrium position, the net force acting on it is zero.

At this point, the spring force and the gravitational force cancel each other out. Therefore, the acceleration of the block is also zero at this point.
However, as the block moves away from the equilibrium position, the spring force begins to dominate over the gravitational force and causes the block to accelerate towards the equilibrium position.

The acceleration is directly proportional to the displacement from the equilibrium position and is given by a = -kx/m, where x is the displacement.
When the block reaches the maximum displacement (amplitude) a, the spring force is at its maximum and the gravitational force is negligible. At this point, the acceleration is given by a = -a (m/k).
In conclusion, the acceleration of the block when it passes through its equilibrium position is zero. However, as it moves away from the equilibrium position, the acceleration is given by a = -a (m/k). This expression shows that the acceleration is directly proportional to the amplitude of oscillation, inversely proportional to the mass of the block, and inversely proportional to the spring constant.

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True. The manometer is used to measure the pressure difference between two points.

To determine the pressure at a specific point, the appropriate pressure reading must be entered into the manometer. In this case, assuming an atmospheric pressure of 14.7 psia, the manometer would be used to measure the pressure relative to this atmospheric pressure.

An explanation of how to use the manometer and enter the appropriate pressure reading may be necessary for those who are unfamiliar with this equipment.

Hence, A manometer measures pressure differences, and with an assumed atmospheric pressure of 14.7 psia, you can calculate the absolute pressure based on the manometer reading.

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Answer:

20 yards East

Explanation:

The question states he starts at the 50 yard line, and didn't imply that he'd ran for 50 yards already. Effectively, that said 50 yard would not count.

The question proceeded to saying he ran leftwards for 20 yards. This is the distance, or displacement that we would use as the first measurement. Running 20 yards in the Eastern direction.

The question then proceeded again, to saying he ran rightwards for another 40 yard. By so doing, he eclipsed the initial 20 yards he'd ran. And added few more yards..

40 - 20 = 20, meaning, he ran 20 more yards in the rightward direction.

Therefore, his displacement would be 20 yards to his right or say, Eastern direction.

Damped frequency refers to the frequency at which an oscillating system, such as a vibrating object or an electrical circuit, gradually loses energy and comes to rest due to the presence of damping forces or resistances. In other words, it is the frequency at which the amplitude of the oscillations decreases over time.

To find the damped frequency, you need to know the natural frequency and the damping factor of the system. The natural frequency represents the frequency at which the system would oscillate if there were no damping present. The damping factor quantifies how strongly the system is damped, with higher values indicating stronger damping.
The damped frequency can be calculated using the formula:
Damped Frequency = √(1 - (Damping Factor)²) × (Natural Frequency)
The term √(1 - (Damping Factor)²) accounts for the effect of damping on the system, reducing the natural frequency. Multiplying this factor by the natural frequency gives us the damped frequency.
It's important to note that the damped frequency will always be lower than the natural frequency since damping decreases the oscillation rate. Understanding the damped frequency is crucial for analyzing and predicting the behavior of damped systems, whether in engineering, physics, or other fields where oscillatory phenomena occur.

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1.44*10^-3N  is the force on each other. when 33 centimeters separates one charge from another charge. They both have charges of 1.2 x 10-5 coulombs.

Charge on the first sphere, q 1​ =1.2 x 10^-5  C

Charge on the second sphere, q 2 =1.2 x 10^-5  C

Distance between the spheres, r=30cm=0.3m

F= 4πε

​ q 1 q 2/  r2

​Where, ε 0

​ = Permittivity of free space 4πε 0

=9×10^9Nm2

F= (0.33) 2

1.2 x 10^-5 * 1.2 x 10^-5  C = 1.44*10^-3N

Hence, force between the two small charged spheres is 1.44*10^-3N.

The charges are of same nature. Hence, force between them will be repulsive.

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Answer:

The answer is D. Balanced forces

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Whenever the heater wires are linked in series and parallel, a ratio of 1:4 heat is generated. The same power source is connected to two hot wires of the same size first in series and afterwards in parallel.

Of the most energy-efficient heaters you can buy is a halogen heater. This one runs at around 18p per hour . It heats anything you focus it towards, so it's wonderful for keeping you or your visitors hot, but it's not the best option for heating a whole room.

If you require temporary warmth but do not have access to natural gas or electricity as a fuel source, convection heaters are ideal. As an alternative, these machines generate direct fired heat using vapor propane.

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The ratio of the heat produced in the two cases is 1 : 4.

Of the most energy-efficient heaters you can buy is a halogen heater. This one runs at around 18p per hour . It heats anything you focus it towards, so it's wonderful for keeping you or your visitors hot, but it's not the best option for heating a whole room.

If you require temporary warmth but do not have access to natural gas or electricity as a fuel source, convection heaters are ideal. As an alternative, these machines generate direct fired heat using vapor propane.

The wires are of the same material and of the same dimensions. Therefore, both wires will have the same resistance (R).

When the wires are connected in series the equivalent resistance is

R₁ = R + R = 2R

When the wires are connected in parallel the equivalent resistance is R₂=

\($\mathrm{\frac{R \times R}{R + R} = \frac{R^2}{2R} = \frac{R}{2} }\)

We know that the heat produced by a wire of resistance R′

 when it is connected across a voltage V is H \($ = \mathrm{ \frac{V^2}{R`}t \propto \frac{1}{R`}}\)

\($ \mathrm{\frac{H_{series}}{H_{Parallel} } = \frac{R_2}{R_1} =\frac{R/2}{2R} = \frac{1}{4} }\)

Thus, the ratio of the heat produced in the two cases is 1 : 4.

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