A tennis ball of mass m=0.060Kg and speed v= 25m/s strikes a wall at a 45 degrees angle and rebounds with the same speed at 45 degrees angle. What is the impulse given the wall?
Unknown008
Jan 4, 2010, 01:33 AM
In other words, find the change in momentum of the ball.
Draw a sketch and find the change in momentum. You'll get a right-angled triangle.