Physics, asked by saritasant90, 3 months ago

Under gravitational collapse, the radius of a spinning spherical star is reduced by a factor of 1/2 . The ratio of final angular speed to the initial angular speed w1/w2 will be

Answers

Answered by priyadatha

0

Answer:

¼

Explanation:

no external force is acting. therefore angular momentum is conserved

L=Iω

I1ω1=I2ω2

ω1/ω2=(R2/R1)²

=1/4

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