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SIZIF [17.4K]
3 years ago
15

The motion of a car on a position-time graph is represented with a horizontal line. What does this indicate about the car’s moti

on?
Physics
1 answer:
sp2606 [1]3 years ago
8 0

If the line on the graph is horizontal, the car is at the same position no matter what time you look at it.  That means that the car is sitting motionless in one place, and not moving.  The car's speed, velocity, and acceleration are all zero, although its resale value may be decreasing.

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The energy of an electromagnetic wave is related to its amplitude. <br> a. True<br> b. False
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A 795-loop square armature coil with a side of 10. 5 cm rotates at 70. 0 rev/s in a uniform magnetic field of strength 0. 45 t.
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The rms voltage output of the generator is 1.94 × 10⁻ ⁵ V.

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No. of loop = 795

Diameter of the coil = 10.5 cm

Radius of the coil = 5.25 cm

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Time, t = 70.0 rev/s

              V_{rms} =\frac{NwAB}{\sqrt{2} }

Where,

              N = No. of loop

              A = Area of the coil

              B = Magnetic Field

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Area of the coil = πr²

                        = 86.57 cm²

w = 2π/t

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V_{rms} =\frac{795*0.089*86.57* 0.45}{\sqrt{2} }\\\\V_{rms} =\frac{2756.36}{\sqrt{2} }\\\\\\V_{rms} =\frac{2756.36}{1.414 }\\\\V_{rms} = 1.94 * 10^-^5 V

Therefore, the rms voltage output of the generator is 1.94 × 10⁻ ⁵ V.

Learn more about rms voltage here:

brainly.com/question/13156072

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