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January 27, 2015

January 27, 2015

Posted by **Anonymous** on Wednesday, May 4, 2011 at 2:03am.

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.)

- science -
**drwls**, Wednesday, May 4, 2011 at 2:49ama. 62,500 J = M g H

M g = 120 N.

Solve for H

b. 120 N/4.448 N/lb = ____lb

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