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(Solved): The two masses in the Atwood's machine shown in the figure are initially at rest at the same heig ...



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The two masses in the Atwood's machine shown in the figure are initially at rest at the same height. After they are released, the large mass, , falls through a height and hits the floor, and the small mass, , rises through a height . Find the speed of the masses just before lands, giving your answer in terms of , and . Assume the ropes and pulley have negligible mass and that friction can be ignored. , and


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assumed that the ropes and pulley have negligibe mass and ignorinng the friction,

for speed of masses just before   lands,we need to calculate acceleration,



i.e.   

then for velocity achieved after travelling distance   .
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