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July 30, 2015

Homework Help: physics

Posted by god on Saturday, February 9, 2013 at 6:35pm.

A particle revolves in a horizontal circle of radius 3.20 m. At a particular instant, its
acceleration is 1.20 m/s
2
in a direction that makes an angle of 55.0 to its direction of motion.
Determine its speed (a) at this moment, and (b) 1.50 s later, assuming constant magnitude of
tangential acceleration.

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