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October 25, 2014

Homework Help: Physics

Posted by LP on Thursday, September 16, 2010 at 7:12pm.

A piano has been pushed to the top of the ramp at the back of a moving van. The workers think it is safe, but as they walk away, it begins to roll down the ramp.
If the back of the truck is 1.3 above the ground and the ramp is inclined at 30, how much time do the workers have to get to the piano before it reaches the bottom of the ramp?

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