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## Homework Statement

Neutron stars are extremely dense objects that are formed from the remnants of supernova explosions. many rotate very rapidly. suppose that the mass of a certain spherical neutron star is twice the mass of the sun and its radius is 10.0 km. determine the greatest possible angular speed the neutron star can have so that the matter at the its surface on the equator to be just held in orbit by the gravitational force.

## Homework Equations

## The Attempt at a Solution

i no that the gravtiational force must equal the Force

so GM/r^2=mV^2/ R, but where do i go fom here im lost!!!!!!