October 13, 2015

Homework Help: physics

Posted by laura on Wednesday, June 17, 2009 at 12:56am.

Certain neutron stars (extremely dense stars) are believed to be rotating at about 0.76 rev/s. If such a star has a radius of 10 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation?

i got 3.4187*10^23 but its not right?

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