Calculate the power carried by the beam
A beam of microwaves corresponds to a flux of ( 1.1x10^0 x 1020) photons per second with a wavelength of 2.0 cm. Calculate the power carried by the beam.
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The use of a tremendously large sample does not solve the question of quality for an estimator. What problems do you anticipate with very large samples? (Select all that apply.) none of these difficulty in obtaining a very large sample increase in
The two tanks are allowed to reach equilibrium, and the final pressure is measured to be 400 psia and temperature is 60oF. What is the volume of the second tank?
A solenoid that is 91.4 cm long has a cross-sectional area of 15.0 cm2. There are 1000 turns of wire carrying a current of 6.74 A. (a) Calculate the energy density of the magnetic field inside the solenoid.
Pneumatic nail driver uses .02 ft3 of air at 100 psia and 1 btu of energy per nail, must drive 500 nails with a tank no larger than 500 psia, temperature at 85 def F. What is tanks maximum pressure and volume?
Pneumatic nail gun uses .02 ft3 of air, at least 100 psia, and 1 btu of energy per nail, tank used must supply enough air to fire 500 nails.
Reasonable efficiency for converting chemical energy to electrical energy via combustion is 30%. Calculate how many pounds of coal must be burned to run your reading lamp for two hours of studying for a chemistry exam.
The image of the public library is constantly changing, and their online services continue to grow. Usage of the library's home page grew by 17% during the past 12 months. It has been estimated that the current average length of a visit to the lib
A person is trying to fill a 10.0 gallon bucket by hand with a dipper. One dipper of water is added each second, and the dipper holds 1.0 lbm of water. How long does it take for the person to fill the bucket?
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