Pls answer this
Q 16 If earth shrinks such that it density becomes 8 times what would be the new duration of day ? Pls Pls answer this

Question

Pls answer this
Q 16 If earth shrinks such that it density becomes 8 times what
would be the new duration of day ? Pls Pls answer this

Shobhit Mittal · Accepted Answer

new radius be R'43πR3ρ=43πR'38ρR'=R2I=25MR2new moment of inertia be I'I'=25MR'2=I4conserve the momentum Iω=I'ω'ω'=4ωhence the speed of roatation becomes 4 times
the new duration of the day if of 6 hours
Regards

Pls answer this Q 16 If earth shrinks such that it density becomes 8 times what would be the new duration of day ? Pls Pls answer this

Pls answer this
Q 16 If earth shrinks such that it density becomes 8 times what would be the new duration of day ? Pls Pls answer this