Question: A certain pulsar, believed to be a neutron star of mass 1.5times that of the Sun, with diameter 20km, is observed to have a rotation

A certain pulsar, believed to be a neutron star of mass 1.5times that of the Sun, with diameter 20km, is observed to have a rotation speed of 1.0rev/s. If it loses rotational kinetic energy at the rate of 1 part in 109 per day, which is all transformed into radiation, what is the power output of the star?

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