Question

A particle moves in a circular path with uniform speed of 5 metre per second find the acceleration of the particle when it moves from one end of a diameter to its other end in 3 seconds​

Answer 1

Explanation:

A particle is moving along a circular path of radius 5 m with a uniform speed 5 ms

−1

. What will be the average acceleration when the particle completes half revolution?

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Video Explanation

Solution To Question ID 670364

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Answer

Correct option is

D

π

10

ms

−2

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

.