A2L Item 291

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The question for students:

A ball is thrown from the top of a tall building with an initial velocity v_o. If it hits the ground 5 seconds later, how tall is the building? <div class="img-right"></div>

1. 15 meters.
2. 17.5 meters.
3. 20 meters.
4. 22.5 meters.
5. 25 meters.
6. None of the above.

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Commentary for teachers:

No commentary available.

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