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April 19, 2014

Homework Help: physics

Posted by lion on Sunday, February 12, 2012 at 1:03pm.

11. You did 150. J of work lifting a 120.-N backpack.
a. How high did you lift the backpack?
b. How much did the backpack weigh in pounds? (Hint: There are 4.448 N in one pound.)

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