A solid sphere is rotating about a diameter at an angular velocity ω If it cools so that its radius reduces to 1nof its original value, its angular velocity becomes
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
ωn
b
ωn2
c
nω
d
n2ω
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
We know that I1ω1=I2ω2For solid sphere, the moment of inertia about diameter is given byI=25mr2∴ 25mr12ω1=25mr22ω2 or r12ω=r1n2ω2ω2=n2ω