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Which expression is correct for the transmitted intensity It of an unpolarized beam of light with an intensity Ii passing though a polarizer with its transmission axis ar 20 to the vertical
A magnetic computer disk 7.0 cm in diameter is initially at rest. A small dot is painted on the edge of the disk. The disk accelerates at 590 rad/s2 for 1/2 s, Through how many revolutions has the disk turned
Unpolarized light is incident on four polarizing sheets with their transmission axes oriented as shown in the figure, in which θ1 = 35.0o and θ2 = 69.0o. What percentage of the initial light intensity is transmitted through this set of polarizers
a small point charge having charge q is fixed a distance h above a thin infinite sheet of charge with charge density
1. explain why at least two photons are created during pair annihilation.2. how does the wavelength of a photon
An aircraft performs a maneuver called an aileron roll. During this maneuver, the plane turns like a screw as it maintains a straight flight path, which is the acceleration of the wing tip
A duck has a mass of 2.1 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east, Find the magnitude and direction (relative to due east) of the displacement that the duck undergoes in 2.6 s while the forces are acting
A cylinder which is in a horizontal position contains an unknown noble gas at 4.63 × 104 Pa and is sealed with a massless piston. calculate the change in internal energy of the system
A 232-kg satellite is in circular orbit around the Earth and moving at a speed of 4.88 km/s. How much work must be done to move the satellite into another circular orbit that is twice as high above the surface of the Earth?
A tennis ball of mass m = 60.0 g and speed v = 25.0 m/s strikes a wall at a 45º angle and rebounds with the same speed at 45º
A particle of mass 20 kg and charge 25 MuC has an initial velocity of (12.0 m/s) i^ + (20.0 m/s)j^. The particle enters a uniform electric field pointed downward in the negative y-direction. If the particle's initial height above the ground is 15..
The maximum speed of the boat relative to the water is v. And the river has scalar speed u (u
Two long, parallel wires are separated by a distance of 3.40. The force per unit length that each wire exerts on the other is 3.20×10-5, and the wires repel each other. The current in one wire is 0.6690.
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