Physics, 13.03.2020 16:47 Lovemimi4129
An 7.9 kg crate is pulled 5.5 m up a 30∘ incline by a rope angled 19 ∘ above the incline. The tension in the rope is 140 N and the crate's coefficient of kinetic friction on the incline is 0.26.
A) How much work is done by tension, by gravity, and by the normal force?
Express your answers using two significant figures. Enter your answers numerically separated by commas.
B) What is the increase in thermal energy of the crate and incline?
Express your answer using two significant figures.
Answers: 3
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An 7.9 kg crate is pulled 5.5 m up a 30∘ incline by a rope angled 19 ∘ above the incline. The tensio...
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