Homework Help: phsyics

Posted by harrypotter on Thursday, September 23, 2010 at 8:07pm.

An elevator with a weight of 27.9 kN is given an upward acceleration of 1.46 m/s2 by a cable.
(a) Calculate the tension in the cable.
(b)What is the tension when the elevator is decelerating at the rate of 1.46 m/s2 but is still moving upward?

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