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A 170 mW horizontally polarized laser beam passes through a polarizing filter whose axis is 26o from vertical. Draw a picture that shows the angles, and remember that the angle in Malus' law is between the two polarization axes. Also, while Malus' law is written in terms of intensity, you can use this same equation for power instead of intensity.
What is the power of the laser beam as it emerges from the filter?
A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom initially at rest. find the kinetic energy of the carbon nucleus after the collision
An automobile batery has 12 V and an internal resistance of .05 ohms. The starter draws 40 amps of current when starting the car. The resistance of the starter is
a horizontal wire is hung from the ceiling of a room by two mass less strings. the wire has a length of 0.20 m and a
A system of volume equal to 1m^3 is evacuated to an ultimate pressure of 10^-7 torr employing a 200liters/s pump. For a reactive evaporation process, 100cm^3 of gas (STP) should be continuously delivered through the system per minute. What is the ult..
From another measurement, you have found that velocity of the jumper's center of mass has only a y component of v2=2.5 m/s as the jumper's feet leave the floor.
The Hubble Space Telescope (HST) has excellent resolving power because there is no atmospheric distortion of the light. Its 2.4-m-diameter primary mirror can collect light from distant galaxies that formed early in the history of the universe. How fa..
A fish takes the bait and pulls on the line with a force of 2.1 N. How much line does the fish pull from the reel in 0.28 s
It is desired to construct a solenoid that will have a resistance of 6.00 (at 20°C) and produce a magnetic field of 4.00 10-2 T at its center when it carries a current of 4.80 A. estimate the length the solenoid should have
An electron is placed at the origin of a coordinate system O, close to the surface of the Earth. A second electron is placed on the Y-axis at coordinate y so that the electrostatic force on the electron at the origin balances the gravitational force...
The skater farthest out has a mass of 58.0 kg and is 7.80 m from the pivot. He is skating at a speed of 6.40 m/s. Find out the magnitude of the centripetal force that acts on him.
The end of the spring is next to the 20- mark on the ruler.If a 3.0- mass is now attached to the end of the spring, where will end of the spring line up with the ruler marks?
A jet engine emits sound uniformly in all directions, radiating an acoustic power of 3.69 × 105 W. Calculate the corresponding sound intensity level
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