A particle is moving along a circular path with constant speed v What is the change in speed when the
particle completes one-fourth of revolution?
(B)v
(A) Zero
(C) 20
(D) 1.2
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Answer:
(A) zero
Explanation:
As mentioned in the question the speed is constant and hence does not change, while on the other hand velocity is changing because of change in direction.
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