Questions
The angular velocity of rotation of star (of mass M and radius R) at which the matter start to escape from its equator will be
a
2GM2R
b
2GMg
c
2GMR3
d
2GRM
detailed solution
Correct option is C
Escape velocity v=2GMR ⇒If star rotates with angular velocity ω then ω=vR=1R2GMR=2GMR3Talk to our academic expert!
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