Question

A particle completes 5 rotations per sec on a circular path of radius 1m. The centripetal acceleration of the particle will be​

Answer 1

Answer:

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Explanation:

When the particle completes half revolution change in velocity

Δv=[5−(−5)]m/s=10m/s

Time taken to complete the half revolution is

t=

v

πr

=

5

π×5

=πs

Thus, average acceleration =

t

Δv

=

π

10

m/s

2

.