A rotating star has a period of 30 days about an axis passing through its centre. The star undergoes an internal explosion and converts to a neutron star. Initial radius of the core was `1.0xx10^(4)` km, whereas, final radius is `3.0km`. Determine the period of rotation of the neutron star.

A neutron star has a density equal to that of the nuclear matter. Assuming the staar to be spherical, find the radius of a neutron star whose mass is 4.0xx10^30 kg (twice the mass of the sun ).

A neutron star has a density equal to that of the nuclear matter. Assuming the staar to be spherical, find the radius of a neutron star whose mass is 4.0xx10^30 kg (twice the mass of the sun ).

A neutron star has a density equal to that of the nuclear matter. Assuming the staar to be spherical, find the radius of a neutron star whose mass is 4.0xx10^30 kg (twice the mass of the sun ).

A massive star is spinning about its diameter with an angular speed omega_(0) = (pi)/(1000) rad/day. After its fuel is exhausted, the star collapses under its own gravity to form a neutron star. Assume that the volume of the star decreases to 10^(-12) times the original volume and its shape remains spherical. Assuming that density of the star is uniform, find the angular speed of the neutron star.

Certain neutron stars are believed to be rotating at about 1rev//sec . If such a star has a radius of 20 km , the acceleration of an object on the equator of the star will be

Certain neutron stars are believed to be rotating at about 1rev//sec . If such a star has a radius of 20 km , the acceleration of an object on the equator of the star will be

At what angular speed of rotation is the surface material on the equator of a neutron star on the verge of flying off the star if the star is spherical with a radius of 18.0 km and a mass of 7.72 xx 10^24 kg?

The two stars in a certain binary star system move in circular orbits The first star alpha moves in an orbit of radius 1.00 xx 10^(9)km The other star beta moves in an orbit of radius 5.00 xx 10^(8)km What is the ratio of masses of star beta to the star alpha ? .