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April 24, 2014

Homework Help: Physics

Posted by None on Sunday, December 9, 2012 at 4:35pm.

An elevator's cable is cut causing the elevator to slide down thhe elevator shaft on the emergency brakes and wheels. Suppose that the mass of the elevator and passengers were 1500 kg, and the frictional force (wheels on tracks)was 9000N

Draw a force diagram

determine the acceleration of the elevator

Suppose that a 50.0kg woman were standing on a bathroom scale in this elevatorcar. what would the scale read?

Determine how long it would take for the elevator car(starting from rest)to drop 30 floors (assume each floor is 3.0m)

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