Explain if earth cosntract to half of its radius what will be the dination of the day
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conservation of angular momentum
Iw =constant for solid
2/5 mR²w= constant
wR²= constant
2πfR² = constant
R²/T = constant
so, T is directly proportional to square of radius
Thus if radius is decreased to half then,
T'= T/4
which is 24/4
time period will be 6 hours.
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