A neutron star of mass $2 \times 10^{30}$ kg and radius 9.5 km rotates with a period of 0.024 seconds. What is its rotational kinetic energy? $KE_{rot} = \text{____} \times 10^{42} \text{ J}$
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The moment of inertia (I) of a rotating object depends on its mass and how that mass is distributed around its axis of rotation. For a solid sphere, the moment of inertia is given by the formula: I = (2/5) * m * r^2 where m is the mass of the object and r is Show more…
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