10. Conservation of Energy
Springs & Elastic Potential Energy
8:45 minutes
Problem 8.25a
Textbook Question
Textbook Question(III) An engineer is designing a spring to be placed at the bottom of an elevator shaft. If the elevator cable breaks when the elevator is at a height h above the top of the spring, calculate the value that the spring constant k should have so that passengers undergo an acceleration of no more than 4.5 g when being brought to rest. Let M be the total mass of the elevator and passengers.
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