Three identical square plates rotate about the axis shown in figure in such a way that there kinetic energy are equal. Each of rotation access passes through the center of the square then the ratio of there angular speeds is?
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first take moment of inertia for all figure nd use formulae rotational kinetic energy but here kinetic energy is same so....
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buddy665:
will you further elaborate how you kept mi for second figure as ml/6
because in 2nd figure show MOI for z-axis is ma^2 as we know nd in for plane Iz=Ix +Iy and if we see in this figute....Ix = Iy =Itangent =ma^2 /6 ...so it came like this
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