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Heres the problem

http://img141.imageshack.us/img141/2820/49686394mt3.jpg [Broken]

Now I have to work it out using Newtons second law and Work energy....

For Newtons second Law (F = ma).....would I be using

[tex] I = mk^2 [/tex]

[tex] M = I\alpha [/tex]

than setting up F = ma...?

and for work energy im using kinetic and potential....so the setup without using friction would just be using kinetic and potential?....and is the potential an elastic potential since its a wheel?

http://img141.imageshack.us/img141/2820/49686394mt3.jpg [Broken]

Now I have to work it out using Newtons second law and Work energy....

For Newtons second Law (F = ma).....would I be using

[tex] I = mk^2 [/tex]

[tex] M = I\alpha [/tex]

than setting up F = ma...?

and for work energy im using kinetic and potential....so the setup without using friction would just be using kinetic and potential?....and is the potential an elastic potential since its a wheel?

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