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A 12.0 micro F capacitor is connected to a power supply that keeps a constant potential difference of 22.0V across the plates. A piece of material having a dielectric constant of 3.75 is placed between the plates, completely filling the space between them.
a) How much energy is stored in the capacitor before the dielectric is inserted?
b) How much energy is stored in the capacitor after the dielectric is inserted?
c) By how much did the energy change during the insertion?
What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to the angular speed of 76.0 rev/min in 3.50 s.
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Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk
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A 50.5 g ice cube, initially at 0°C, is dropped into a Styrofoam cup containing 360 g of water, initially at 19.2°C. What is the final temperature of the water
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An elevator weighing 2500 N ascends at a constant speed of 8.0 m/s. How much power must the motor supply to do this?
A movie star catches a reporter shooting pictures of her at home. She claims the reporter was trespassing and to prove her point, How far away from the subject was the reporter standing
The transverse displacement (y) of a wave is given as a function of position (x in meters) and time (t in seconds) by the expression to the right. Determine the wavelength, frequency, period, and phase constant of this waveform.
A laboratory technician drops a 0.0850-kg sample of unknown material, at a temperature of 100.0C, into a calorimeter. The calorimeter can, Compute the specific heat capacity of the sample
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