Physics, 31.05.2020 02:00, vanitycarraway2000

Alex has to pick up a 20 N stack of documents and raise them 5 meters from the floor.

A. How much work does Alex do on the stack of documents as he lifts it?

B. While Alex is holding the documents, what type of energy do they have relative to the floor?

C. Alex gets tired and drops the documents to the floor. As the stack falls, what type of energy does it possess?

Answers: 2

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Alex has to pick up a 20 N stack of documents and raise them 5 meters from the floor.

A....