422. assignment (ball impacts metal block)

Q2- A 0.500 kg metal ball impact a 20.0 kg metal block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.20. After the impact, the ball rebounds with a speed equal to 0.200 m/s, and produces a displacement of the block of 0.50 m measured from the position of the impact.

a- What was the speed of the Block just after the ball impact?

b- What was the initial speed of the ball?

c- Calculate the kinetic energy of ball and block before and after the impact?

d- What kind of collision took place during the impact? Explain.

c- Calculate the impulse of the block from the moment just after the impact to his final position.

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