A simple pendulum of length 75 cm describes a vertical semicircle. What is the velocity of the bob while passing through the mean position ?

Q: A simple pendulum of length 75 cm describes a vertical semicircle. What is the velocity of the bob while passing through the mean position ?

(a) √7.4 ms–1

(b)√(14.7) ms–1

(c)√22.2 ms–1

(d)√29.6 ms–1

Click to See Answer :
Ans: (b)