The plank cde has a mass m15kg and is rest on a small pivot

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The plank CDE has a mass m=15kg and is rest on a small pivot at D. A block A of mass 55 kg is resting on point C. a block B of mass 70 kg is dropped from height of 2.5 m on point E. Assume a perfectly plastic impact between block and the plank, determine .a) the velocity of block A after the impact.

Reference no: EM13622301

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