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Certain neutron stars are belived to be ...

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

A

`20 xx 10^8 m/s^2`

B

`8 xx 10^5 m/s^2`

C

`120xx 10^5 m/s^2`

D

`4 xx 10^8 m/s^2`

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