Answer:
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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The more powerful an appliance is, the more amounts of energy it uses. For instance a jack hammer that does not create a lot of destruction or change does not use a lot of energy. If a jack hammer that creates a lot of destruction and change probably uses a lot more energy and makes more sound.