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 ?

Q: 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 ?

(a) zero

(b) 10 ms^–2

(c) 10 π ms^-2

(d) 10/π ms^–2

Ans: (d)