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Light of intensity I0 and polarized parallel to the transmission axis of a polarizer is incident on an analyzer.
(a) If the transmission axis of the analyzer makes an angle of 46° with the axis of the polarizer, what is the intensity of the transmitted light?
(b) What should the angle between the transmission axes be to make I/I0 = 7/8?
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. How many revolutions per minute is the sample making
A stopping car comes to a skidding stop after 5 m. If the road exerts a force of 600 N opposite to the direction of the motion: how much work does the road do on the car
The spring begins at its lowest value of 8 inches below its midline, and, without friction, returns 5 times per second to this lowest value. Write the equation of a trigonometric function modeling the height above its midline.
Two billboard workers stand on a 5.0 m scaffold supported by ropes at each end. what is the tension in each of the two ropes
A particle of mass m is acted on by a conservative force scalar potential is Ax^2/2 with A>0 constant. (a) Write the Lagrange for the system, drive the equations of motion using Lagrange's equation, and name all conserved quantities.
The space shuttle releases a satellite into a circular orbit 600 kilometer above the Earth. Find how fast must the shuttle be moving
A person is pushing a uniformly-loaded 21.65 kg wheelbarrow along a plank that makes an angle ? = 27.0° with the horizontal. What is the total force the person must apply
The distance to the Andromeda Galaxy is estimated at about 2 ´ 106 light years. A light year is distance travelled by light in one year; if the speed of light is 3 ´ 108 m/s, about how far is it from our galaxy to Andromeda? (1 year = 3.15 ´ 107 s..
A pole-vaulter is nearly motionless as he clears the bar, set 4.2m above the ground. What is his acceleration as he comes to rest on the pad
A vibrating tuning fork of freq 256 Hz is held over the top of a vertical tube full of water. The water is allowed to flow out slowly from the tube. A loud sound is heard when the air column in the tube is 33 cm. Compute the speed of sound in air.
a certain substance has a dielectric constant of 3.06 and a dielectric strength of 15.0 mvm. if it is used as the
A cannon fires a cannonball from the top of a wall at a speed of 38.77 m/s and an angle of 32.06 degrees from the horizontal. What is the horizontal distance from the wall where the fired cannonball hits the ground
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