Question

derive an expression for k.e of rotation​

Answer 1

Answer:

Rotational kinetic energy can be expressed as: Erotational=12Iω2 E rotational = 1 2 I ω 2 where ω is the angular velocity and I is the moment of inertia around the axis of rotation. The mechanical work applied during rotation is the torque times the rotation angle: W=τθ W = τ θ .

Answer 2

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☞ Derive an expression for the kinetic energy of a body of mass M rotating uniformly about a given axis. Hence show that rotational kinetic energy is. =2M1×(KL)2.

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