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AIPMT 2003 Physics and Chemistry Paper
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© examsnet.com
Question : 10
Total: 100
A ball rolls without slipping. The radius of gyration of the ball about an axis passing through its centre of mass is
K
. If radius of the ball be
R
, then the fraction of total energy associated with its rotational energy will be :
K
2
+
R
2
R
2
K
2
R
2
K
2
K
2
+
R
2
R
2
K
2
+
R
2
Validate
Solution:
T.K.E.
=
1
2
m
v
2
(
1
+
K
2
∕
R
2
)
R.K.E.
=
1
2
m
v
2
(
K
2
∕
R
2
)
© examsnet.com
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