Show that the velocity of a cylinder rolling down an incline, as in the equation below, is independent of the mass of the cylinder.
Vcm=sqrt((2gh(m/m+I/R^2))

thanks!!

Question

Show that the velocity of a cylinder rolling down an incline, as in the equation below, is independent of the mass of the cylinder. 
Vcm=sqrt((2gh(m/m+I/R^2))

thanks!!

surry99 · Answer

I can help you with this...let em know what you have tried to solve the problem

anonymous · Answer

Take a look at the quantities that determine the moment of inertia, I, of the cylinder.

surry99 · Answer

you will also find it helpful to draw a digram

anonymous · Answer

If you know the expression for the moment of inertia of a cylinder, the result you're after comes out immediately, if you're allowed to assume the equation for V given in the question.