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.)

physics - bobpursley, Sunday, February 12, 2012 at 2:16pm
work=weight*height

weigh=120N*1lb/4.448N
physics - you, Wednesday, November 21, 2012 at 1:01am
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