A(n) 0.576 kg soccer ball approaches a player horizontally with a speed of 20.9 m/s. the player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 9.73 m/s. what is the magnitude of the impulse delivered to the ball by the player?

17.6kg.m/s in the opposite direction of the initial velocity.

Explanation:

In order to solve this we can use the Impulse-Momentum theorem:

We will assume the motion of the ball approaching the player as positive, so:

So the impulse is 17.6kg.m/s in the opposite direction of the initial velocity.

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