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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A smooth sphere is moving on a horizontal surface with velocity vector 2iˆ + 2jˆ immediately before it hits a vertical wall. The wall is parallel to jˆ vector and the coefficient of restitution between the sphere and the wall is e = 1/2. The velocity vector of the sphere after it hits the wall is

A smooth sphere is moving on a horizontal surface with velocity vector 2iˆ + 2jˆ immediately before it hits a vertical wall. The wall is parallel to jˆ vector and the coefficient of restitution between the sphere and the wall is e = 1/2. The velocity vector of the sphere after it hits the wall is

A highly elastic ball moving at a speed of 3 m/s approaches a wall moving towards it with a speed of 3 m/s. After the collision. the speed of the ball will be