Blocks A (mass 7.00kg ) and B (mass 10.50kg ) move on a frictionless, horizontal

Question

Blocks A (mass 7.00kg ) and B (mass 10.50kg ) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 9.00m/s . The blocks are equipped with ideal spring bumpers. The collision is head-on, so all motion before and after the collision is along a straight line. Let +x be the direction of the initial motion of A.

Part A

Find the maximum energy stored in the spring bumpers and the velocity of each block at that time.
Find the maximum energy.

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Part B

Find the velocity of A.

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Part C

Find the velocity of B.

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Part D

Find the velocity of each block after they have moved apart.
Find the velocity of A.

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Part E

Find the velocity of B.

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Explanation / Answer

we can find all these by using conservation of momentum and energy

maximum energy can be stored uin the bumber is teh initial energy given to A

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