Velocity vector of a particle just before making an inelastic impact with horizontal smooth surface with coefficient of restitution 0.2 is `(3hati - 10 hatj - 50 hatk)` m/s with z-axis being vertically upwards. Velocity of the particle 1s after collision (in m/s) will be:-

If velocity vector of a particle just before making an inelastic impact with a smooth horizontal x -y plane surface with coefficient of restitution 0.2 is (15hat i-20hat j-50hat k)m/s with z-axis being vertically upwards.The velocity vector of the particle just after collision (in m/s) will be?

A particle dropped from a height of 100 m, collides with the horizontal surface where coefficient of restitution is 0.5, the velocity attained by the particle in 5^(th) collision is

The velocity vector of a sphere after it hits a vertical wall which is pallel to hatj is (-hati + 3hatj) on a smooth horizontal surface. The coefficient of restitution between ball and wall is (1//2) . Final the velocity vector of sphere immediately before collision.

Two particles A and B of mass 3kg and 4kg moving on a smooth horizontal surface with speed 5m//s and 2m//s respectively collides each other. Coefficient of restitution is e=(1)/(2) , then Velocity of B after collision

Two particles A and B of mass 3kg and 4kg moving on a smooth horizontal surface with speed 5m//s and 2m//s respectively collides each other. Coefficient of restitution is e=(1)/(2) , then Velocity of A after collision

Two particles A and B of mass 3kg and 4kg moving on a smooth horizontal surface with speed 5m//s and 2m//s respectively collides each other. Coefficient of restitution is e=(1)/(2) , then Velocity of B after collision

Two particles A and B of mass 3kg and 4kg moving on a smooth horizontal surface with speed 5m//s and 2m//s respectively collides each other. Coefficient of restitution is e=(1)/(2) , then Velocity of A after collision

A particle of mass m moving on a smooth surface with velocity 10 m//s strikes another particle of mass 2 m moving with 5 m//s in the same direction . If the collision is elastic and head - on , find velocities of particles after the collision.

A smooth sphere is moving on a horizontal surface with velocity vector 3hati+hatj immediately before it hits a vertical wall. The wall is parallel to the vector hatj and the coefficient of restitution between the wall and the sphere is 1//3 . The velocity vector of the sphere after it hits the wall is :