A rod of length 
is composed of a uniform length 
of wood whose mass is 
and a uniform length 
of brass whose mass is 
. The moment of inertia 
of the rod about an axis perpendicular to the rod and through its centre is equal to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
The given situation as shown in the figure.
Moment of inertia for the wooden part,
Moment of inertia for the brass part,
Total moment of inertia,
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