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The average intensity of light emerging from a polarizing sheet is0.692 W/m2, and the averageintensity of the horizontally polarized light incident on the sheetis 0.852 W/m2. Determine the angle that the transmission axis of the polarizing sheet makes withthe horizontal.
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = 38.8 cm. Precisely 35.7 cm behind this lens is a concave lens with the focal length f2 = -10.3 cm. The object to be photographed is 3.97 m in front o..
Two small metallic spheres, each of mass 0.20g, are suspended as pendulums by light strings from a common point.
Bicyclists in the Tour de France reach speeds of 34.0 miles per hour (mi/h) on flat sections of the road. What is this speed in meters per second
A car is approaching a reflecting wall. A stationary observer behind the car hears a sound of frequency 790 Hz from the car horn and a sound of frequency 813 Hz from the wall. What is the frequency of the car horn
a positive charge q1 4.2 10-8c is located at -2.0 cm 5.0cm a negative charge q2 -6.410-8 is located at -3.0cm 0.0cm
A mirror produces an image that is located 48.00 cm behind the mirror when the object is located24.00 cm in front of the mirror. What is the focal length of the mirror?
Camera lenses are described in terms of their focal length. A 50 mm lens has a focal length of 50 mm, Locate the position of the image
If 55.0 cm of copper wire (diameter = 1.00 mm) is formed into a circular loop, at what rate is thermal energy generated in the loop
A 67? resistor, an 9.0?F capacitor, and a 36mH inductor are connected in series in an ac circuit. Calculate the impedance for a source frequency of 300 Hz
A proton and an electron are moving due east in a constant electricfield that also points due east. The electric field has a magnitudeof 3.0 x104 N/C. Determine the magnitude of the acceleration of the proton and the electron.
a projectile is fired with an initial velocity of 15 m/s at an angle of 37 degrees. At t=2 s, find the vertical and horizontal positions of the projectile
When a train's velocity is 12{rm{ m/s}} eastward, raindrops that are falling vertically with respect to the earth make traces that are inclined 30.0 ^circ to vertical on windows of the train.
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