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April 2, 2015

April 2, 2015

Posted by **RNH** on Wednesday, November 10, 2010 at 5:58pm.

im using the equation -(frictional force)=PE(gravitional initial)+KE(final) im getting the answer wrong and am wondering if i need to take 5.8sin25 for y in the PE part.

i just Really Need Help

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