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Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and a thundercloud. Assume that the rate of charge flow in a lightning bolt is about 16000 C/s and this lasts for 105 µs or less. How much charge flows between the ground and the cloud in this time?
At a particular instant, charge = 4.80×10^?6 C is at the point (0, 0.250 m , 0) and has velocity (9.20 x 10^5 m/s) i. Charge = ?2.90×10?6 C is at the point (0.150 m , 0, 0) and has velocity (-5.30 x 10^-5) j.
A solar energy "farm" produces 1.0 MW of power for a small town. What total area of solar cells is required
A bat is pursuing an insect and using echolocation of 60-kHz sound waves to track the insect. find the difference in the two echo times the bat measures
A parallel-plate capacitor has plates of area 177.0 cm2 and a separation of 1.85 cm. Find the capacitance before the slab is inserted
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead the pipe\'s diameter is 58.3 cm and the flow speed of the petroleum is 11.1 m/s. At the refinery the petroleum flows at 5.35 m/s. What is the volume flo..
Two musics students are tuning their guitars before arehearsal. If one middle C (262Hz) and the other plays a C sharp(277Hz), what will the frequencty of the bear be
When you drop a rock into a well you hear the splash 1.0 seconds later. How deep is the well
demonstrate that the ground state wave function of a particle in an infinitely deep box is an eigenfunction of the
A current I flows down a wire of radius a. If it is uniformly distributed over the surface, what is the surface current density K
A coin with a diameter of 2.50 cm is dropped on edge onto a horizontal surface. how far does the coin roll before coming to rest
500 J of work are completed to compress the gas while, in the same process, 1400 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules.
A laser beam is projected through a diffraction grating which has a slit to slit separation of 2 microm (5000 lines/cm). What is the wavelength of the laser
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