Fig. shows the bob of pendulum pulled through angle θ . What is the velocity of the bob at M ?

Q: Fig. shows the bob of pendulum pulled through angle θ . What is the velocity of the bob at M ?

Numerical

(a) $\sqrt{2 g l (1 – cos\theta)}$

(b) $\sqrt{2 g l (1 + cos\theta)}$

(c) $\sqrt{2 g h cos\theta }$

(d) $\sqrt{2 g l sin\theta}$

Ans: (a)