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A beam of unpolarized light shines on a stack of five ideal polarizers, set up so that the angles between the polarization axes of pairs of adjacent polarizers are all equal. The intensity of the transmitted beam is reduced from the intensity of the initial beam by a factor of ? = 0.285. Find the angle between the axes of each pair of adjacent polarizers.
Explain qualitatively the following phenomena. At a certain momentum, the cross sections for p+_ neutron s(p+n) and p-_ proton s(p-p) interactions are equal, whereas s(K+n)=22mb and s(K-p)=55mb.
A high fountain of water is located at the center of a circular pool, A student walks around the pool and estimates its circumference to be 196 m. How high is the fountain
A railroad car of mass 2.5 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, How much kinetic energy is lost in the collision
Two point charges totaling 7.00 µC exert a repulsive force of 0.100 N on one another when separated by 0.719 m. What is the charge on each? smallest charge largest charge (b) What is the charge on each if the force is attractive? smallest charge l..
An electric vehicle starts from rest and accelerates at a rate a1 in a straight line until reaches a speed of v. How far does the vehicle travel from start to stop
An object moves uniformly around a circular path of radius 20.5 cm, making one complete revolution every 2.40 s. What is the translational speed of the object
A helium-neon laser emits light of wavelength 632.8 nm and has a power output of 2.0 mW. How many photons are emitted per second by this laser
A 116 g Frisbee is 28 cm in diameter and has about half its mass spread uniformly in a disk, and the other half concentrated in the rim. What is the rotational inertia of the Frisbee
An automobile's wheels are locked as it slides to a stop from an initial speed of 30.0 m/s. how long does it take the car to stop
Five equal negative point charges -q are placed symmetrically around a circle of radius R as shown. Use a rough approximation to express the magnitude of electric field E at a point on the positive x axis a distance R from the center of the circle..
An object is placed 40 cm from a concave mirror of radius 20 cm. Trace the image, show and find the location and characterize the image fully
The atmosphere of the sun consists mostly of hydrogen atoms (not molecules) at a temperature of 6000 K. What are the average translational kinetic energy per atom
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