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Q4) Block B of mass 4m is resting on horizontal frictionless surface and is attached to horizantal spring whose spring constant is 3k. The other end of the spring is fixed to a wall shown in the figure. Suddenly, block with mass 2m and moving with speed Vo collides elastically with the stationary block and the spring is compressed: Assume that the collision is instantaneous_ 4m 3k 2m Vo B a) (13 pts) What are the velocities of the blocks after the collision? b) (12 pts) What is the maximum compression of the spring?

          Q4) Block B of mass 4m is resting on horizontal frictionless surface and is attached to horizantal spring whose spring constant is 3k. The other end of the spring is fixed to a wall shown in the figure. Suddenly, block with mass 2m and moving with speed Vo collides elastically with the stationary block and the spring is compressed: Assume that the collision is instantaneous_
4m
3k
2m
Vo
B
a) (13 pts) What are the velocities of the blocks after the collision? b) (12 pts) What is the maximum compression of the spring?

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q4 block b of mass 4m is resting on horizontal frictionless surface and is attached to horizantal spring whose spring constant is 3k the other end of the spring is fixed to a wall shown in t 71715

Added by James S.

University Physics with Modern Physics

Hugh D. Young 14th Edition

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Solved by Expert Morgan Cheatham

Step 1

After the collision, the two blocks will move together as a single system, so we can apply conservation of momentum: m1v1 + m2v2 = (m1 + m2)vf where m1 = 4m, v1 = 0, m2 = 2m, v2 = Vo, and vf is the final velocity of the combined blocks. Solving for vf, we Show more…

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Q4) Block B of mass 4m is resting on horizontal frictionless surface and is attached to horizantal spring whose spring constant is 3k. The other end of the spring is fixed to a wall shown in the figure. Suddenly, block with mass 2m and moving with speed Vo collides elastically with the stationary block and the spring is compressed: Assume that the collision is instantaneous_ 4m 3k 2m Vo B a) (13 pts) What are the velocities of the blocks after the collision? b) (12 pts) What is the maximum compression of the spring?

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