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April 21, 2014

April 21, 2014

Posted by **Sarah** on Tuesday, November 6, 2012 at 3:44pm.

- Physics- PLEASE HELP -
**Elena**, Tuesday, November 6, 2012 at 3:48pmKE(tr) =m•v²/2,

KE(rot) = I•ω²/2 =m•R²•v²/2•2• R²=m•v²/4.

KE= KE(tr)+ KE(rot)=

=m•v²/2 + m•v²/4= 3• m•v²/4.

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