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Consider that you have two blocks and they are connected to each other with a spring....

Consider that you have two blocks and they are connected to each other with a spring. Block A has mass 1.00 kg, and block B has mass 3.00 kg. The blocks are compressed with a spring S between them; then the system is released from rest on a level, frictionless surface. The spring, which has negligible mass, is not fastened to either block and drops to the surface after it has expanded. The spring has force constant 723 N/m and is initially compressed 0.225 m from its original length.
a)Find the acceleration of block AA just after the blocks are released.
b)Find the final velocity of block AA after the blocks leave the spring?
c)Find the final velocity of block BB after the blocks leave the spring?

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