A small ball falling vertically downward with constant velocity `4m//s` strikes elastically a massive inclined cart moving with velocity `4m//s` horizontally as shown. The velocity of the rebound of the ball is

A small ball falling vertically downward with constant velocity 2 m//s strikes elastically an inclined plane moving with velocity 2 m//s as shown in figure. The velocity of rebound of the ball with respect ground is

A small ball falling vertically downward with constant velocity 2 m//s strikes elastically an inclined plane moving with velocity 2 m//s as shown in figure. The velocity of rebound of the ball with respect ground is (A) 4 m//s (B) 2sqrt5 m//s (C) 2sqrt2 m//s (D) 2 m//s

A ball A is falling vertically downwards with velocity v_(1) . It strikes elastically with a wedge moving horizontally with velocity v_(2) as shown in figure . What must be the ratio (v_(1))/(v_(2)) , so that the ball bounces back in vertically upward direction relative to the wedge

A ball A is falling vertically downwards with velocity v_(1) . It strikes elastically with a wedge moving horizontally with velocity v_(2) as shown in figure . What must be the ratio (v_(1))/(v_(2)) , so that the ball bounces back in vertically upward direction relative to the wedge

Rain is falling vertically downward with velocity 4m//s. A man is moving horizontally with velocity 3 m//s , the velocity of rain with respect to man is

Rain is falling vertically downward with velocity 4m//s. A man is moving horizontally with velocity 3 m//s , the velocity of rain with respect to man is

The rain is falling vertically downward with velocity 6m//s and a man is moving horizontally with velocity 8m//s . Find the velocity of rain with respect to the man.

A ball thrown vertically upwards with an initial velocity of 1.4 m//s. The total displcement of the ball is