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A crate of fruit with a mass of 39.0 kg and a specific heat capacity of...

A crate of fruit with a mass of 39.0 kg and a specific heat capacity of 3600 J/(kg⋅K) slides 8.70 m down a ramp inclined at an angle of 38.3 degrees below the horizontal.

Part A If the crate was at rest at the top of the incline and has a speed of 2.65 m/s at the bottom, how much work Wf was done on the crate by friction? Use 9.81 m/s2 for the acceleration due to gravity and express your answer in joules.

Part B If an amount of heat equal to the magnitude of the work done by friction is absorbed by the crate of fruit and the fruit reaches a uniform final temperature, what is its temperature change ΔT?

Science   Advanced-Physics   
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