I need the step by step instructions on how to solve this problem. A 0.247 kg ba

Question

I need the step by step instructions on how to solve this problem.
A 0.247 kg ball is approaches a player horizontally with aspeed of 15.7 m/s. The player strikes the ball with her fist andcauses the ball to move in the opposite direction with a speed of22.0 m/s.
what impulse is delivered to the ball by the the player ?kg.m/s
If the players fist is in contact with the ball 0.060 s, find the magnitude of the average force
?n
A 0.247 kg ball is approaches a player horizontally with aspeed of 15.7 m/s. The player strikes the ball with her fist andcauses the ball to move in the opposite direction with a speed of22.0 m/s.
what impulse is delivered to the ball by the the player ?kg.m/s
If the players fist is in contact with the ball 0.060 s, find the magnitude of the average force
?n

Explanation / Answer

mass m = 0.247 kg speed v = 15.7 m / s velocity after strike v = -22 m / s impulse = m ( v - u )            = -9.3119 kg m / s magnitude of impulse = 9.3119 kg m / s contact time t= 0.06 s So, magnitude of average force F = impulse / time                                                    =155.19 N

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