An elevator (mass of 1500kg) is lowered using a cable under 16000N of tension. A) Is its speed increasing or decreasing as it descends B) what is its acceleration as it descends? C) now suppose the same elevator is to be given acceleration up of 1.00m/s^2. how much tension must be used in the cable ?

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 33P: Two blocks, each of mass m = 3.50 kg, are hung from the ceiling of an elevator as in Figure P4.33....
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An elevator (mass of 1500kg) is lowered using a cable under 16000N of tension. A) Is its speed increasing or decreasing as it descends B) what is its acceleration as it descends? C) now suppose the same elevator is to be given acceleration up of 1.00m/s^2. how much tension must be used in the cable ?
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