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Homework Help: pyhsics

Posted by Alan on Tuesday, March 15, 2011 at 6:14pm.

At t= 1.0s, a 0.61 kg object is falling with a speed of 6.0 m/s. At t= 2.0s, it has a kinetic energy of 25 J.

1. What is the kinetic energy of the object at t= 1.0s?

2. What is the speed of the object at t= 2.0s?

3. How much work was done on the object between t= 1.0s and t= 2.0s?

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