Physics, 31.12.2019 09:31, 20578jb

5) you did 170 joules of work lifting a 140 n backpack. how high did you lift the backpack?

6) in problem 5 how much did the backpack weigh in pounds (hint there are 4.45 newtons in one pound)

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5) you did 170 joules of work lifting a 140 n backpack. how high did you lift the backpack?
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