Answer:
constant at the speed of light
C.There is an invisible magnetic field around the magnet where it exerts magnetic force
Answer:
Solar panels
sun light into electricity
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Answer:
2000 J
Explanation
Work equation is expressed as:

Where:
F: Applied force
d: traveled distance
α: Angle between the direction of the force and the direction of the movement. (in this case, both of the direction are the same, so the angle is 0°)
By substituting:

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Answer
Given,
Rotational inertia = 2.0 x 10-3 kg·m²
Torque = 11 N.m
time, t = 19 ms
a) Angular momentum

L is angular momentum

b) Angular velocity
We know.



