Question: A bolt comes loose from underneath an elevator that is moving upward at a speed of 6 m/s. The bolt reaches the bottom of the

A bolt comes loose from underneath an elevator that is moving upward at a speed of 6 m/s. The bolt reaches the bottom of the elevator shaft in 3 s. 

(a) How high up was the elevator when the bolt came loose? 

(b) What is the speed of the bolt when it hits the bottom of the shaft?

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