Thursday, December 17, 2009

Studying for a test, and i cannot figure out this physics problem?

A ball of mass 522g starts at rest and slides down a frictionless tract. It leaves the track horizontally, striking the ground. At what height above the ground does the ball start to move?Studying for a test, and i cannot figure out this physics problem?
';...start to move';? Do you mean rotate? Seems like you need more information to me.

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