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The angle of incidence of a light beam in air onto a reflecting surface is continuously variable. The reflected ray is found to be completely polarized when the angle of incidence is 47.5 degrees.
What is the index of refraction of the reflecting material?
If some of the incident light (at an angle of 47.5 degrees) passes into the material below the surface, what is the angle of refraction?
At this point, he throws a 39 yard forward pass straight down the field. Illustrate what is the magnitude of the football's resultant displacement?
Consider a volume of 4.8 cubic meters of gas initially at STP (0 degrees C and 1 atm pressure). what is the volume (in cubic meters) of the gas
When catching a baseball, a catcher's glove moves by 12cm along the line of motion of the ball. If the baseball exerts a force of 477N on the glove, how much work is done by the ball.
Suppose you performed the experiment in atmosphere of Argon at 25 deg. C, How many electrons have been attached to, or detached from the initially neutral plastic sphere
A Ferris wheel with a radius of 7.7 m rotates at a constant rate, completing one revolution every 37 s, Find the direction and magnitude of a passenger's acceleration when at the bottom of the Ferris wheel
Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 44.0, What is her average speed on the return trip
Four point charges are located at the corners of a square measuring 50.0 cm on each side. Three of the charges are -2.00 uC each and the fourth is -5.00 uC, Find the potential energy of the system of four charges
A particular fish tank filled with fresh water (n = 1.33) has a coral reef sticker stuck to an exterior wall, What is the index of refraction of the tank's walls
At a right angle to a magnetic field. The acceleration of gravity is 9.81 m/s2. What is strength of the magnetic field necessary to exactly balance the weight of the proton and keep it moving horizontally.
A spacecraft receding from he earth at 0.97c transmits data at the rate of 1*104pulses/s. At what rate are they received.
An eagle is flying due east at 8.9 m/s carrying a gopher in its talons. What is the magnitude of the gopher's velocity as it reaches the ground
Two long, parallel wires carry currents of 0.245 A in the same direction. If the wires are 0.034 m apart, what is the force per unit length between the wires
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