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July 4, 2015

Homework Help: Physics

Posted by Mariam on Sunday, January 12, 2014 at 1:14pm.

Problem 2- A 15 kg block is attached to a very light horizontal spring of force constant 400 N/m and is resting on a smooth horizontal table as shown in the figure below. Suddenly it is struck by a 3 kg stone traveling horizontally at 8 m/s to the right, whereupon the stone rebounds at 2 m/s horizontally to the left.
a) Find the speed of the 15 kg mass just after the collision.
b) Is the collision elastic?
c) Find the maximum distance that the block will compress the spring after the collision.

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