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An unpolarized laser has an average power of .6 mW. At a distance of 10 m it forms a circle with a diameter of 2 mm. Intensity = 5.23 x 10^-4. Erms= .444 v/m. Brms= 1.48 x 10^-9 T. after traveling 10 m, the laser goes through two polarizers, the second having a polarization of 40 degrees relative to first. Howlong does it take the laser light to travel the 10 m Distance? If the polarizer has an index of refraction of 1.45, what is the speed of light in the polarizer?
A box with a volume V = 0.03 m3 lies at the bottom of a lake whose water has a density of 103 kg/m3, How much force is required to lift the box, if the mass of the box is 1510 kg
A 2400 kg car moving at an initial speed of 25 m/s along a horizontal road skids to a stop in 64 m. Find the energy dissipated by friction
How far away from the people is the plane.
If the top coil were rotated 90 degrees about a vertical axis through the center of the coil so it is perpendicular to the balance coil, how would the results of the experiment change
You are designing a lathe motor, part of which consists of a uniform cylinder whose mass is 90 kg, At what rate is the angular momentum increasing
Determine the heat transfer and work for each of the processes. What is the internal energy change for Process 1-2? What is the internal energy change for Process 2-3? (There is an answer posted for the same question, but the answer does not appea..
Initially, a swift-moving hawk is moving due west (in the -x direction) with a speed of 60 m/s; 5.0 s later it is moving due north (in the +y direction) with a speed of 25 m/s.
The index of refraction for a diamond for red light of wavelength 654 nm is 2.35, Find the angle of refraction for red light
Running into the train at that speed would severely damage both train and passengers. How far does the train then travel while being slowed to a stop
Estimate is in constant FY 1995 dollars, while the SPANIEL program cost estimate is in constant FY 1999 dollars. Which one of the following is the most valid way of comparing the costs of these two programs?
A silicon sample is doped with phosphorus at 1.23 parts per million. Phosphorus acts as an electron donor, Calculate the number of free electrons per unit volume of the doped silicon.
A man stands on the roof of a building of height 16.8m and throws a rock with a velocity of magnitude 31.8m/s, Calculate the magnitude of the velocity of the rock just before it strikes the ground
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