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Unpolarized light of Intensity 60.0 W/m² hits a polarizer.
a. What is the intensity of light leaving the polarizer?
The light then passes through an analyzer at an angle of 22.5º to the polarizer.
b. What is the intensity of light leaving the analyzer?
A pendulum consists of a mass m = 0.080 kg hanging from a flexible string of length L. The string is very thin, very light, and doesn't stretch much, Find the period of the same pendulum on the moon's surface
A sledge loaded with bricks has a total mass of 17.4 kg and is pulled at constant speed by a rope inclined at 20.4° above the horizontal. How much work is done by the rope on the sledge
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +19.7 km/s to -19.1 km/s.
A conductive loop of radius r = 1.0 cm falls towards a stationary solenoid of 100 turns per cm carrying a current of I = 2.00 A. What is the direction of the current induced in the loop
A loudspeaker of mass 22.0 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90 {rm m}.
In the final part of its life cycle a particular rotating spherical star expands to four times its normal diameter. How is the period of rotation affected
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. How far (in km) must he now travel to reach base camp
During 0.15 s, a wheel rotates through an angle of 2.74 rad as a point on the periphery of the wheel moves with a constant speed of 2.16 m/s
A lightweight string of length 60cm is attached to the ceiling at points separated by distance. Three objects of equal mass are hung from the string, separating the string into 4 equal segments of length L. If θ = 40, find the measure of angle φ a..
a 2 kg block travels around a 0.5m radius circle with an angular speed of 12 rad/s. what is the resulting torque
A student standing on a stationary skateboard tosses a textbook with a mass of mb = 2 kg to a friend standing in front of him. What is the magnitude of the velocity of the book
A dockworker applies a constant horizontal force of 85.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. What is the mass of the block of ice
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