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Height of the elevator shaft

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A worker (on earth) dropped a screwdriver from the top of an elevator shaft. Exactly 5 seconds later he heard the sound of the screwdriver hitting the bottom of the shaft. How tall is the elevator shaft?

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Solution Preview

Let us analyze the motion of this screwdriver.

The initial velocity of the screwdriver is v0 = 0 when it was dropped by the worker.

Once it is in the air, it ...

Solution Summary

It finds the height of the elevator shaft by dropping a screwdriver.