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April 18, 2015

Homework Help: please check this Physics

Posted by Kelsey on Tuesday, January 14, 2014 at 2:41pm.

A 5kg block slides along a frictionless surface at 8 m/s toward a second block that is 2kg and attached to the end of a spring,The spring has a constant of 250N/m . When the blocks collide they stick together.
What is the speed of the two blocks immediately after the collision?

5.71 m/s

What impulse is given to the first block during the collision?

4.62 m/s
How far will the spring compress?

3m/s

What is the maximum speed they will attain once they begin oscillating on the spring?

12 m/s

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