Two billiard balls of mass 0.05 kg each moving in opposite directions with 10 ms⁻¹ collide and rebou

A boy throws a ball into air at 45° from the horizontal to land it on a roof of a building of height

Velocity at maximum height of projectile is 1/2 of its initial velocity of projectile. Its angle of

If bullets are fired in all possible directions from same point with equal velocity of 10 ms-1 and w

A projectile crosses height 10 m twice with time gap 4 s. Find total time of flight (g = 10 m/s²).

A particle is moving in xy plane such that its velocity in x-direction remains constant at 3 m/s and