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A certain parallel-plate capacitor is filled with a dielectric for which ? = 5.91. The area of each plate is 0.0768 m2, and the plates are separated by 1.26 mm. The capacitor will fail (short out and burn up) if the electric field between the plates exceeds 183 kN/C. What is the maximum energy that can be stored in the capacitor?
A spherical capacitor contains a charge of 3.20 nC when connected to a potential difference of 220 V, Calculate the radius of the inner sphere
When light of wavelength 380 nm falls on a cesium surface, electrons having a maximum kinetic energy of 1.13 eV are emitted. find the frequency corresponding to the cutoff wavelength
A car moving at 25m/s approaches a stationary whistle that emits a 350Hz sound. The speed of sound in the air is 343m/s, find the frequency of sound heard by the driver of the car
A disk is reputed to accelerate from 0 to 389 RPM in 3.5 seconds. How many radians does it turn through.
An electron in a 1-D box of length 0.100 nm, Find the energies of the four lowest states that have energies above the ground states
A 184.0 g piece of lead is heated to 80.0oC and then dropped into a calorimeter containing 681.0 g of water that initally is at 18.0oC
A 66 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15° above the horizontal. what is the magnitude of the initial acceleration of the crate
Perpetual motion machines have fascinated people especially inventors for hundreds of years before the laws of thermodynamics became known. Ideally, once energy is added to start a perpetual motion in machine, the machine would continue to operate..
A particle of charge +15 µC and mass 2.00 10-5 kg is released from rest in a region where there is a constant electric field of +280 N/C
A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. What is the electric-field energy stored in the capacitor
The force component along the displacement varies with the magnitude of the displacement, as shown in the graph. Find the work done by the force in the interval from 0 to 0.1 m
A geologist finds that a Moon rock whose mass is 9.64kg has an apparent mass of 6.25kg when submerged in water. What is the density of the rock
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