Identical springs of steel and copper are equally stretched. On which, more work will have to be done?
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What is the correct definition and formula of ohms law.?
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The moment of inertia of a body about a given axis is 1.2kgm^2 . Initially the body is at rest. In order to produce a rotational kinetic energy of 1500J, an angular acceleration of 25rad/second ^2 must be applied about that axis for a duration of
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