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Height of the elevator shaft

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?

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.