Under some circumstances, a star can collapse into an extremely dense object mad

Question

Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. The density of a neutron star is roughly times as great as that of ordinary solid matter. Suppose we represent the star as a uniform, solid, rigid sphere, both before and after the collapse. The star's initial radius was 6.0×105 (comparable to our sun); its final radius is 15 .


If the original star rotated once in 29 days, find the angular speed of the neutron star.
Express your answer using two significant figures.
=____________rad/s

Explanation / Answer

( 2p / (29 * 86400) ) * ( 6.0 x 105 /15km)2 = 86400 came from seconds / day and everything else was given. Calculation is below 1day*24hours*60minutes*60seconds

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