Physics Practice Problems Springs & Elastic Potential Energy Practice Problems Solution: In a "worst-case" design scenario, a 2000-kg eleva...

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Solution: In a "worst-case" design scenario, a 2000-kg elevator with broken cables is falling at 4.00 m/s when it first contacts a cushioning spring at the bottom of the shaft. The spring is supposed to stop the elevator, compressing 2.00 m as it does so. During the motion a safety clamp applies a constant 17000-N frictional force to the elevator.What is the speed of the elevator after it has moved downward 1.00 m from the point where it first contacts a spring?When the elevator is 1.00 m below point where it first contacts a spring, what is its acceleration?

Problem

In a "worst-case" design scenario, a 2000-kg elevator with broken cables is falling at 4.00 m/s when it first contacts a cushioning spring at the bottom of the shaft. The spring is supposed to stop the elevator, compressing 2.00 m as it does so. During the motion a safety clamp applies a constant 17000-N frictional force to the elevator.

What is the speed of the elevator after it has moved downward 1.00 m from the point where it first contacts a spring?

When the elevator is 1.00 m below point where it first contacts a spring, what is its acceleration?