Question

A soccer player makes the ball bounce back with his forehead.How much impulse in kg*m/s has been transferred to the ball to the ball,if it was initially flying with a speed of 3.0 m/s toward the player and then after the header,flying into the exact opposite direction with a speed of 2.0 m/s? Take the balls mass to be 0.43 kg (2 significant figures )

Answer 1

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