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A large turntable rotates about a fixed vertical axis, making one revolution in 7.00 s . The moment of inertia of the turntable about this axis is 1300 kg·m2. A child of mass 40.0 kg , initially standing at the center of the turntable, runs out along a radius. What is the angular speed of the turntable when the child is 2.50 m from the center, assuming that you can treat the child as a particle?
explain in what ways mechanical work is and is not related to caloric expenditure.include in your answer the
q1. a dielectric-filled parallel-plate capacitor has plate area 40.0cm2 plate separation 5.00mm and dielectric
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Using a 683-nm wavelength laser, you form the diffraction pattern of a 0.113-mm wide slit on a screen. How far is the screen located from the slit
The temperature of the air in a resonator is 15°C, when a tuning fork vibrates at one end, the spacing between tow successive resonances is found to be 50 cm. find the frequency of the tuning fork.
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