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March 29, 2017

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A lamp hangs vertically from a cord in a descending elevator with a constant deceleration a. If the tension in the cord is T0, answer the following. (Use any variable or symbol stated above along with the following as necessary: g.)
(a) What is the lamp's mass?
m =

(b) What is the cord's tension when the elevator ascends with upward acceleration a?
Tf =

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