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November 23, 2014

November 23, 2014

Posted by **Emily** on Sunday, November 1, 2009 at 10:41pm.

- physics -
**drwls**, Monday, November 2, 2009 at 12:24amThe kinetic energy of the hoop consists of two parts: (1) translational motion of the center of mass, (1/2) M V^2, and

(2) rotation about the center of mass,

(1/2)I w^2 = (1/2)M R^2*(V/R)^2=(1/2)MV^2

The two parts are equal in this case. The total kinetic energy is M V^2.

Solve

(0.0495)V^2 = 0.113

to obtain V. The answer will be in m/s.

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