Momentum And Impulse: Solving a final problem

The video tutorial explains how to calculate the average force exerted by a wall on a bouncing steel ball. The ball strikes the wall at 10 m/s at a 60-degree angle and bounces off with the same speed and angle. The contact time is 0.2 seconds. The tutorial covers the concepts of impulse and momentum, emphasizing the vector nature of velocity. It explains that the change in momentum is due to the change in the X-direction velocity, as the Y-direction velocity remains constant. The calculation involves determining the change in velocity and using it to find the force exerted by the wall, resulting in a force of -261 newtons.

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