Homework Help: Physics

Posted by Cassaundra on Friday, December 17, 2010 at 8:01pm.

A 0.77 kg mass, attached to the end of a 0.86 m string, is whirled around in a circular horizontal path. If the maximum tension that the string can withstand is 683 N, then what maximum speed can the mass have if the string is not to break?

Physics - Damon, Friday, December 17, 2010 at 8:03pm
F = m v^2/r

683 = .77 v^2/.86
solve for v

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