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I = moment of inertia

m = mass

g = gravity

h = height

v = translational speed of the mass falling

Tf = work done against friction

theta = angle through which flywheel rotates in radians

w = rotational speed of the flywheel

The equation is I = (1/2mgh - mv^2 - Tf * theta) / w^2

I am finding it hard to work out a value for v and w. is 'the translational speed of mass falling (v)' is that just a fancy way of saying velocity?

I am unsure of how to find a value for w

Hope this makes sense

Thanks