Question

Two balls are thrown simultaneously in air. The acceleration of the centre of mass of the two balls while in air.

• A. depends on the direction of the motion of the balls
• B. depends on the masses of the two balls
• C. depends on the speeds of the two balls
• D. is equal to g

Answer 1

Answer: (D)

is equal to g

Acceleration of each ball while in air is g downwards . Hence , Acceleration of the center of mass of the two balls is also g .