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August 30, 2014

Homework Help: physics

Posted by Al on Wednesday, December 25, 2013 at 12:05pm.

Assume that the mass of a neutron star is 1.5 times that of the Sun and the radius of the neutron star is 10 km. Ignore effects of Special Relativity.
What is the approximate speed at which an object released from far away (at zero speed) reaches the surface of a neutron star?
A. 8*10^7 m/s
B. 9*10^7 m/s
C. 2*10^8 m/s
D. 3*10^8 m/s
Thank you.

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