Questions
If a person standing on a rotating disc stretches out his hands, the angular speed will
detailed solution
Correct option is B
We have, Iω=L= constant ⇒ω∝1/IOn stretching hands, I will increase, therefore ω will decrease.Talk to our academic expert!
Similar Questions
A disc rotates freely with rotational kinetic energy E about a normal axis through centre. A ring having the same radius but double the mass of disc is now, gently placed on the disc. The new rotational kinetic energy of the system would be
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