A star has the same size as the sun but with a mass five times as great. It rotates one revolution every five days about its axis. Suppose it collapsed into a neutron star, reducing its size to 75 percent of its original size and losing 10 percent of its mass in the process. What would be its angular speed? Assume the star to be a uniform sphere at all times. Neglect also the angular momentum accompanying the lost ma

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A star has the same size as the sun but with a mass five times as great. It rotates one revolution every five days about its axis. Suppose it collapsed into a neutron star, reducing its size to 75 percent of its original size and losing 10 percent of its mass in the process. What would be its angular speed? Assume the star to be a uniform sphere at all times. Neglect also the angular momentum accompanying the lost mass.

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