The turntable in a microwave oven has a moment of inertia of $0.040 \mathrm{kg} \cdot \mathrm{m}^{2}$ and rotates continuously, making a complete revolution every $4.0 \mathrm{s}$. What is its kinetic energy?
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We are given the moment of inertia (I) and the time it takes for one complete revolution (T). We need to find the kinetic energy (K). Show more…
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