Posted by **koko** on Wednesday, October 17, 2012 at 5:22pm.

A 1.16 kg block and a 2.32 kg block are initially at rest on a frictionless, horizontal surface, with a compressed spring of negligible mass between them. When the blocks are released, they move off in opposite directions. If the final velocity of the 1.16 kg block is 3.20 m/s to the left, what is the final velocity of the 2.32 kg block?

a.) Find Magnitude

b.) How much does the kinetic energy of the system increase?

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