If the earth shrinks such that its mass does not change but radius decreases to one-quarter of its original value then one complete day will take

Question

If the earth shrinks such that its mass does not change but radius decreases to one-quarter of its original value then one complete day will take, 96 h, 48 h, 6 h, 1.5 h

MARKS App · Accepted Answer

We know that angular momentum of the spin = I ω By the conservation of angular momentum 2 5 M R 2 . 2 π T = 2 5 M R 4 2 . 2 π T ′ T ′ = T 16 = 24 16 = 1.5 h

Search any question & find its solution

Looking for more such questions to practice?