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Easy
Question
The M.I of a disc of mass M and radius R about an axis passing through the centre O and perpendicular to the plane of dise is If one quarter of the disc is removed the new moment of inertia of disc will be....
The correct answer is:
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Wafer of volume 2 filter in a container is heated with a coil of 1kw at 27°C. The lid of the containes is open and energy dissipates at the late of . In how much time temperature will rise from to 27°C 77°C. Specific heat of wafers is
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