Homework Help: physics

Posted by leeece on Sunday, October 16, 2011 at 4:53pm.

A block of mass = 0.85 kg is connected to a spring of force constant = 775N/m on a smooth, horizontal surface.

1) Plot the potential energy of the spring from = -5.00 cm to = 5.00 cm.

2) Determine the turning points of the block if its speed at x = 0 is 1.1 m/s

I am so stumped on this problem. Could someone please help?
Thank you!

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