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A 50 W light bulb shines through two polarizers. After having passed through the first polarizer, the electric field incident on the second polarizer is 5.0 V/m. The second polarizer sits at a 25° angle from the first polarizer. What is the electric field immediately after having passed through the second polarizer?
Two blocks are free to slide along the frictionless wooden track shown below. The block of mass m1 = 5.06 kg is released from the position shown, at height h = 5.00 m above the flat part of the track. Protruding from its front end is the north pol..
Speedboat A negotiates a curve whose radius is 198 m. Speedboat B negotiates a curve whose radius is 290 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
The intensity of an electromagnetic wave is 8 × 107 W/m2. What is the amplitude of the magnetic field of this wave
A highway is to be built between two towns, one of which lies 50.0 km south and 82.0 km west of the other. find at what angle would this highway be directed
The solar constant is the power received from the Sun per unit area perpendicular to the Sun's rays at the mean distance of Earth from the Sun, Calculate the effective temperature of the Sun if it radiates like a blackbody
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the resonant absorption wavelength
A plate carries a charge of -3.7 C, while a rod carries a charge of +1.9 C. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge.
a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area in both square inches and square millimeters. compute the volume in cubic inches, cubic feet, cubic millimemters, and cubic mete..
An electrically charged particle having a mass of 4.50*10-24 kgis placed in an electric external field and released from rest. What is the net force that acts on the first microsecond
you are trying to lift a stack of books off the table. the stack of books has a mass of 15 kg. what minimum upward force must you exert on the books
Two objects moving with a speed v travel in opposite directions in a straight line. The objects stick together when they collide, and move with a speed of after the collision. What is the ratio of the final kinetic energy of the system to the initial..
A double slit is opposite the center of a 1.7-m wide screen 2.3 m from the slits. The slit separation is 24 µm and the width of each slit is 7.2 µm. How many fringes are visible on the screen if the slit is illuminated by 590-nm light?
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