Physics, 15.01.2021 06:20, iwantcandy2002

An airplane passenger carries a 215-N suitcase up the stairs, a displacement of 4.20 m vertically and 4.60 m horizontally.
A) How much work does the passenger do on the suitcase?
B) The same carries the same suitcase back down the same set of stairs. How much work does the passenger do on the suitcase to carry it down the stairs?

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An airplane passenger carries a 215-N suitcase up the stairs, a displacement of 4.20 m vertically a...