Homework Help: physics

Posted by Anonymous on Thursday, November 29, 2012 at 7:15pm.

An athlete whirls a 7.54 kg hammer tied to the end of a 1.5 m chain in a horizontal circle.
The hammer moves at the rate of 1.51 rev/s.
What is the centripetal acceleration of the hammer? Assume his arm length is included in the length given for the chain.
Answer in units of m/s2
what is the tension?

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