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A crate of fruit with a mass of 39.5 kg and a specific heat capacity of 3750 J/(kg⋅K) slides 7.70 m down a ramp inclined...

A crate of fruit with a mass of 39.5 kg and a specific heat capacity of 3750 J/(kg⋅K) slides 7.70 m down a ramp inclined at an angle of 37.9 degrees below the horizontal.

1. If the crate was at rest at the top of the incline and has a speed of 3.00 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.

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Answer #1

sno - he hadsmo ha esno = 7.70 x 8137.9 ha) 4.729m mesund I ng mgoso 1. KE= 1 mv2 PE-ngle Wenchen = (*34.5*(2)2-0) + (0- 39.5

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