If the angular momentum of a rotating body about a fixed axis is increased by 10%. Its kinetic energy will be increased by
a)
10%
b)
20%
c)
21%
d)
5%
If the angular momentum of a rotating body about a fixed axis is increased by 10%. Its kinetic energy will be increased by
a)
10%
b)
20%
c)
21%
d)
5%
Question ID - 52301 | SaraNextGen Top Answer
If the angular momentum of a rotating body about a fixed axis is increased by 10%. Its kinetic energy will be increased by
a)
10%
b)
20%
c)
21%
d)
5%
|
If the angular momentum of a rotating body about a fixed axis is increased by 10%. Its kinetic energy will be increased by |
|||||||
|
a) |
10% |
b) |
20% |
c) |
21% |
d) |
5% |
1 Answer
127 votes
Answer Key / Explanation : (c) -
|
(c) Kinetic energy where
% change
|
is angular momentum and 
the moment of inertia.
127 votes
Answer Link
127