Homework Help: physics

Posted by hannah on Friday, September 16, 2011 at 9:27pm.

A 0.07 kg toy is made up of a spring of constant 375 N/m. When you place the toy on the floor,!@#$%^& the spring 7 cm and release it, the toy jumps upwards. What is in Joules the mechanical energy of the toy when sitting on the floor with a!@#$%^&ed spring? Use 10 m/s2 for g.

physics - bobpursley, Friday, September 16, 2011 at 9:45pm
I can't figure out what the censored word is, and its meaning in the problem.
One needs to know how much the spring is compressed.

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