Question

Two boys,each of mass m,are standing at the back of a flatbed trolley of mass 4m.the trolley is at rest on a frictionless horizontal surface.The boys jump off simultaneously at one of end of the trolley whith a horizontal velocity of 2m's.the trolley moves in the opposte direction.calculate the final velocity of the trolley

Feb 15, 2015

bobpursley

Use the law of conservation of momentum to solve this.

Feb 15, 2015

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