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A very large number (N+1) polaroids are arranged in a sandwich. The transmission axis of each polaroid is at a constant. angle ? with respect to its predecessor. Thus the last Polaroid is at an angle Theta=N? from the first. A plane polarized light of irradiance I0 is incident on the first polaroid which has a transmission axis parallel to the plane of polarization of the light. Determine the output irradiance from the sandwich. Note: You may use the Taylor expansion to obtain the final result.
A 1.20 liter flask contains a certain quantity of ideal gas at 305 K. after that an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.30 times its unique value. What is the final temperature.
A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37 degrees above the horizontal. If the mass of the box and the books is 40 kg, what is the normal force on box? a. 332 N b. 312 N c. 392 N d. 292 N
What is the effect of thermal insulation on cooling
Find the force to keep object moving.
What is new angular speed of the merry-go-round
An electric field of 8.60 x 107 V/m is desired between two parallel plates, each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate.
Calculate the magnitude, the direction of resultant force and the coefficient of kinetic friction.
The mass of a roller-coaster car, including its passengers, is 495kg. Its speed at the bottom of the track in the figure below is 17.00 m/s. The radius of this section of track is r1 = 26 m. Find the force that a seat in the roller-coaster car exerts..
In this week's video, Bill Goodykoontz talks about morality and ethics in pop culture. The freedom of speech and expression allows the variety of pop culture media to be released, which may sometimes be offensive material. Can pop culture still have ..
A dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of an image.
Find out the relative rates at which clocks go at two different distances r1 and r2 from the center of the earth.
Illustrate a basketball momentum vectors
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