Wednesday
November 26, 2014

Homework Help: physics

Posted by Emily on Sunday, January 13, 2013 at 10:04pm.

An athlete whirls a 6.6 kg hammer tied to
the end of a 1.2 m chain in a horizontal circle.
The hammer moves at the rate of 0.432 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/s
2
What is the tension in the chain?
Answer in units of N

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