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An electromagnetic wave has an electric field amplitude of 325 V/m.
(a) What is the maximum magnitude of the Poynting vector of this wave?
(b) What is the average magnitude of the Poynting vector?
(c) What is the intensity of the wave?
(d) What is the root mean square of the electric field of the wave?
Monochromatic light at 441 nm is normally incident on an opaque film having a single slit of width 0.02 mm. What is the highest order diffraction minimum produced
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according to the mortgage bankers association 10.73 of prime fixed-rate mortgages were in foreclosure or delinquent in
An x-ray photon with wavelength 15.0 pm is scattered at 84.0 degrees by an electron, find the resulting kinetic energy of the electron
What is average kinetic energy of each helium atom
An operating gearbox (transmission) has 200. hp at its input shaft while 190. hp are delivered to the output shaft. Determine the rate of entropy production by the gearbox
A woman accelerates her motorized scooter, with the engine on, down a 13-m-long ramp that starts at a height of 2.2 m. how many joules of energy did friction absorb
The primary coil of a transformer has 237 turns; secondary coil has 2100 turns. An alternating current is sent through the primary coil. The emf in the primary is 25 V. What is the emf amplitude in secondary.
The tip of a tuning fork goes through 540 complete vibrations in 0.300 s. Find the angular frequency and the period of the motion
A uniform narrow tube 1.80m long is open at both ends. It resonates at two successive harmonics of frequencies 279Hz, What is the speed of sound in the gas in the tube
A ball is thrown straight upward with an initial speed of 25 m/s. how high does the ball go before falling back down
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