Collisions with Springs Video Lessons

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Problem: A 3.0-kg block slides along a frictionless tabletop at 8.0 m/s toward a second block (at rest) of mass 4.5 kg. A coil spring, which obeys Hookes law and has spring constant k exttip{k}{k}= 810 N/m, is attached to the second block in such a way that it will be compressed when struck by the moving block.(a) What will be the maximum compression of the spring?(b) What will be the final velocities of the blocks after the collision?(c) Is the collision elastic? Ignore the mass of the spring.

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Problem Details

A 3.0-kg block slides along a frictionless tabletop at 8.0 m/s toward a second block (at rest) of mass 4.5 kg. A coil spring, which obeys Hookes law and has spring constant k = 810 N/m, is attached to the second block in such a way that it will be compressed when struck by the moving block.
(a) What will be the maximum compression of the spring?
(b) What will be the final velocities of the blocks after the collision?
(c) Is the collision elastic? Ignore the mass of the spring.

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