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September 30, 2014

Homework Help: Physics

Posted by Michael on Monday, January 10, 2011 at 2:54pm.

An autographed baseball rolls off of a 0.55 m high desk and strikes the floor 0.82 m away from the desk.
The acceleration of gravity is 9.81 m/s2 .
How fast was it rolling on the desk before it fell off?
Answer in units of m/s.

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