Question

A solid sphere of mass 1 kg rolls on a table with linear speed 1 ms⁻¹. Its total kinetic energy is(a) 1 J(b) 0.5 J(c) 0.7 J(d) 1.4 J

Answer 1

if it's case of pure rolling,I think you have not written about radius.
if it's case of pure rolling,then the formula of total kinetic energy=1/2mv^2+1/2 Iw^2


I is moment of inertia.


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