A ball of 0.5kg mass hits a wall at an angle of 30° and is then reflected making an angle of 90° with its original direction. if the duration of contact between the ball and the wall is 0.1s,calculate the force exerted on the wall. the initial and final velocities of ball are 10ms-1 and 20ms-1.

Question

A ball of 0.5kg mass hits a wall at an angle of 30° and is then reflected making an angle of 90° with its original direction. if the duration of contact between the ball and the  wall is 0.1s,calculate the force exerted on the wall. the initial and final velocities of ball are 10ms-1 and 20ms-1.