Tuesday
October 21, 2014

Homework Help: physics

Posted by Rebekah on Tuesday, October 4, 2011 at 8:47pm.

A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.6 m/s2. (a) If the tension in the cord is 54 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 2.6 m/s2?

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