A 280 kg box slides down a rough incline plane from a
A 2.80 kg box slides down a rough incline plane from a height h of 1.03 m. The box had a speed of 3.21 m/s at the top and a speed of 2.78 m/s at the bottom. Calculate the mechanical energy lost due to friction (as heat, etc.).
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a 280 kg box slides down a rough incline plane from a height h of 103 m the box had a speed of 321 ms at the top and a
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