Chemistry, 03.05.2021 18:00 Alizerodriguez2010
A set of pulleys is used to lift a piano weighing 2,155 newtons. The piano is lifted 22.6meters in 103 seconds. How much power was used to lift the piano?
A.
5.02 x 10^6 W
B.
4.63 x 10^3 W
C.
9.82 x10^3 W
D.
4.73 x 10^2 W
Answers: 3
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A set of pulleys is used to lift a piano weighing 2,155 newtons. The piano is lifted 22.6meters in 1...
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