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two blocks are hung by a light string that does not stretch or slip against the...

two blocks are hung by a light string that does not stretch or slip against the massive pulley. The blocks have mass of 3.0 kg and 5.7 kg and the pulley has a radius of r= 0.16 m and a mass of m= 13.78 kg. By the time the 5.7 kg mass has fallen 1.64;m starting from rest, find the speed of each block ( Assume the pulley is in the shape of a uniform solid disk ( I= 1/2mr2 ) and has no friction in its axle.

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