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August 28, 2014

Homework Help: science

Posted by trevor on Wednesday, January 16, 2013 at 4:18am.

a sphere of mass 500.0g is released from point A 5m above the ground and slides down to point B 3.2m through point C 2m in frictionless wire track.
(1)determine the particle's speed at points B and C.
(2)determine the net work done by the force of graviy in moving the sphere from point A to C

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