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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