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April 19, 2014

Homework Help: Physics

Posted by Kelly O'Reilly on Monday, July 22, 2013 at 9:40pm.

A 2kg mass is attached to a spring of spring constant 20N/m. At t=0 the spring is at its relaxed position and the block is moving with a velocity of 4m/s to the right. Assume the positive direction is to the right. What is the speed of the mass when it is 1 meter from the equilibrium position?

A) 1.6 m/s
B) 2.4 m/s
C) 2.5 m/s
D) 3.1 m/s
E) 3.4 m/s

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