A goose steps into a two-meter tall elevator and just as the doors close and the elevator begins to accelerate downward, the goose watches a light bulb on the elevator ceiling drop to the floor. If the elevator acceleration is exactly half that of gravity, what is the total distance the bulb falls?

College Physics
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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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A goose steps into a two-meter tall elevator and just as the doors close and the elevator begins to accelerate downward, the goose watches a light bulb on the elevator ceiling drop to the floor. If the elevator acceleration is exactly half that of gravity, what is the total distance the bulb falls?

 

Expert Solution
Step 1 Elevator concept

When an elevator accelerates downward, effective weight becomes zero. The forces acting downward are the weight of goose and lift's inertia which also acts on the bulb.

Hence, by using equations of motion, we can find the distance traveled by bulb

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