A 20-lb block slides down a 300 inclined plane with an initial velocity of 2 ft/s. Determine the velocity of the block in 3 s if the coefficient of kinetic friction between the block and the plane is uk = 0.25
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Ifthecoefficientofkineticfrictionbetweentheblockandthe table in Fig. 4.40 is 0.560, and m1 = 0.150 kg and m2 = 0.250 kg, (a) What should m3 be ifthe system is to move witha constant speed? (b) If m3 = 0.100 kg, what isthe magnitude ofthe acceleration ofthe system?View Answer
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