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April 23, 2014

Homework Help: Physics

Posted by Physics on Thursday, July 9, 2009 at 11:41pm.

My question is

A block is given an intial speed of 4.0 s^-1 m up the 22 degree plane

How far up the plane will it go?

How much time elapses before it returns to its starting point? Ignore friction.

Ok my teacher said use this to find acceleration a = g sin and then I know where to go from there but were does this formula come from?

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