Question: A 9 0 0 NN crate slides 1 2 mm at constant speed down a ramp that is tilted 3 5 above horizontal. Part A

900

NN crate slides

12

mm at constant speed down a ramp that is tilted

35

above horizontal.

Part A

How much work does gravity do on the crate as it slides the

12

?

Express your answer with the appropriate units.

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=

nothingnothing

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Answer

Part B

What is the change in thermal energy?

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