# A body is dropped from height h. After the third rebound it rises to h/2. What is the coefficient of restitution ?

Q: A body is dropped from height h. After the third rebound it rises to h/2. What is the coefficient of restitution ?

(a) 1/2

(b) $(\frac{1}{2})^{1/2}$

(c) $(\frac{1}{2})^{1/4}$

(d) $(\frac{1}{2})^{1/6}$

Ans: (d)