A block of mass 120 g moves with a speed of 6 ms-1 on a frictionless horizantal surface towards another block of mass 180 g kept at rest. They collide and the first block stops.Find the speed of the other block after collision.
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momentum conservation
0.12*6 = 0.18v
=> v = 4m/s
0.12*6 = 0.18v
=> v = 4m/s
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