A rod of length L is composed of a uniform length \frac{L}{2} of wood whose mass in m_{w} and a uniform length \frac{L}{2} of brass whose mass is m_{b}. The moment of inertia I of the rod about an axis perpendicular to the rod and through its centre is equal to

Correct Answer is : (mw+mb)L212

Manipal Entrance Test 2020 Physics Paper

Question : 9 of 50

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A rod of length L is composed of a uniform length ‌

of wood whose mass in mw and a uniform length ‌

of brass whose mass is mb. The moment of inertia I of the rod about an axis perpendicular to the rod and through its centre is equal to

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