question_answer

Two identical balls are at rest side by side at the bottom of a hill. Some time after ball A is kicked up the hill, ball 6 is given a kick up the hill. Ball A is headed downhill when it passes ball B headed up the hill. At the instant when ball A passes ball B, it has the same.

A) Position and velocity as ball B

B) Position and acceleration as ball B

C) Velocity and acceleration as ball B

D) Displacement and velocity as ball B

Correct Answer: B

Solution :

Position and acceleration of A is same as that of B at the instant when ball A passes ball B.