A box weighing 103 kg and a football weigh 0.41 and they dropped at the same time the top of a 98 m tall building.
1 answer:
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If series Rs = R1 + R2
Answer:
0(zero)
Explanation:
Given that =0.20kg, radius of the bowl,
and that the mass slides from point A to B.
-Since the normal force is perpendicular to the displacement at every point of the motion,then work done by the normal force is zero.