TS EAMCET · Physics · Gravitation
If the earth shrinks to of its original volume, while maintaining the same mass, then the duration of the day will be
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
Use the concept of conservation of angular momentum the initial angular momentum of the earth should be same as final momentum of the earth, it means, J1=J2⇒I1ω1=I2ω2, here the value of the moment of inertia for the solid sphere is, I=25mR2 and, the value of…
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