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MAXImum [283]
3 years ago
14

A tennis ball traveling horizontally at 22.0 m/s suddenly hits a vertical brick wall and bounces back with a horizontal velocity

of 18.0 m/s
Physics
1 answer:
Shalnov [3]3 years ago
3 0
This problem has three parts.

I enclose a pdf file with the three body diagrams requested.

Here is an explanation of them.

Part A: Make a free-body diagram of this ball just before it hits the wall.

The only force acting on the ball is the pull of the Earth, this is its weight; so the diagram is a vertical vector downwards.

<span>
Part B: Make a free-body diagram of this ball just after it has bounced free of the wall.
</span>

<span>Again, the only force acting on the ball is the pull of the Earth, its weight, and the free-body diagram is identical to that of the part A.
</span>

<span>
Part C: Make a free-body diagram of this ball while it is in contact with the wall.</span>

When the ball is in contact with the wall, two forces act over it: the reaction of the wall, which is represented as a horizontal vector toward the left, and the gravity (weight), which is represented as a vertical vector downwards.
Download pdf
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