%3Cp%3E%20%20%3Cspan%20class%3D%22c1%22%3EA%20wooden%20block%20of%20mass%20M%20%

Question

%3Cp%3E%20%20%3Cspan%20class%3D%22c1%22%3EA%20wooden%20block%20of%20mass%20M%20%3D%200.170%20kg%20is%20placed%0Aon%20a%20wooden%20inclined%20board%200.930%20m%20long%20and%20raised%20to%20a%20height%0Ah%3Csub%3E1%3C%2Fsub%3E%20%3D%200.050%20m%20at%20the%20lower%20end%20and%20h%3Csub%3E2%3C%2Fsub%3E%20%3D%200.080%0Am%20at%20the%20upper%20end%20(as%20shown%20below).%20The%20wooden%20block%20is%20connected%0Ato%20a%20hanging%20mass%20m%20through%20a%20frictionless%20pulley%20with%20negligible%0Amass.%20There%20is%20friction%20between%20the%20wooden%20block%20and%20board.%20The%0Asystem%20is%20initially%20at%20rest%20with%20m%20at%20y%20%3D%200.870%20m%2C%20and%20gradually%0Aincreased.%20When%20m%20%3D%200.073%20kg%2C%20the%20block%20is%20pulled%20up%20the%20incline%20as%0Am%20falls%20towards%20the%20floor.%20(a)%20Draw%20the%20FBD%20of%20the%20block%20on%20the%0Aplane.%20Calculate%20(b)%20the%20speed%20of%20m%20just%20before%20it%20strikes%20the%0Afloor%3B%20(c)%20the%20coefficient%20of%20static%20friction%20between%20the%20block%20and%0Athe%20board%3B%20(d)%20the%20change%20in%20the%20potential%20energy%20of%20the%20block%3B%20(d)%0Awork%20done%20on%20the%20block%20by%20gravity%3B%20(e)%20work%20done%20on%20the%20block%20by%0Athe%20normal%20force%3B%20(f)%20work%20done%20on%20the%20block%20by%20frictional%0Aforce.%20%3C%2Fspan%3E%3C%2Fp%3E%0A

Explanation / Answer

http://www.chegg.com/homework-help/questions-and-answers/wooden-block-mass-m-0170-kg-placed-wooden-inclined-board-0930-m-long-raised-height-h1-0050-q5047620

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