The Crab pulsar (m ≈ 2·1030 kg, R = 5 km) is a neutron star located in ihe Crab Nebula.The rotation rate of the Crab pulsar is currently about 30 rotations per second, or 60π rad/s. The rotation rate of the pulsar, however, is decreasing; each year, the rotation period increases by 10‒5 s. Justify the following statement: The loss in rotational energy of the pulsar is equivalent to 100,000 times the power output of the Sun. (The total power radiated by the Sun is about 4·1026 W.)
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