Question

A particle moves on a circular path of radius 'r', It completes one revolution in 40 s. Calculate distance and
displacement in 2 min 20 s.

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Answer 1

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Answer 2

Answer:

2r

Explanation:

we know that

2min 20 sec= 140seconds

time taken in completion of 1revolution is 40second

revolution done in 140second= 140/40

=3.5

therefore it cover 3 compelete revolution and one half revolution

so displacement done in 3 revolution is 0

so the displacement done by hAlf revolution = diameter

=2r