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Unpolarized light whose intensity is 1.80 W/m2 is incident on the polarizer in the figure.
(a) What is the intensity of the light leaving the polarizer?
(b) If the analyzer is set at an angle of θ = 76o with respect to the polarizer, what is the intensity of the light that reaches the photocell?
a 50.0-kg block is being pushed up a 15.0deg slope by a force of 300 n which is directed 30.0deg below the slope. the
one end of a meter stick is pinned to a table so the stick can rotate freely in a plane parallel to the tabletop. two
Compute the period of a 0.123-nmX-ray. An object is placed halfway among a concave mirror and its focal point. Discover the resulting magnification. A 3-cm-tall object is located 8 cm in front of a concave mirror that has a 20-cm radius of curvature...
The supersonic aircraft Concorde has a length of 63.0 m when sitting on the ground on a typical day when the temperature is 15.0 C . The Concorde is primarily made of aluminum. In flight at twice the speed of sound, friction with the air warms the Co..
A 1750-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 24 m/s. At what angle is the hill inclined above the horizontal
A rectangular loop (area = 0.15 m2) turns in a uniformmagnetic field, B = 0.24 T. what emf is induced in the loop
A long current-carrying wire is parallel to the y axis with the current I = 4.3 A along the +y direction. A magnetic field of magnitude B = 1.1 T lies in the y—z plane, directed 35° away from the y axis as shown in the figure below
A swimmer dived off a cliff with a running horizontal leap. What must his minimum speed be just as he leaves the top of the cliff
For a simple harmonic oscillator with k= 4.0N/m and A=0.75 m, the time between maximum velocity and maximum acceleration is 2.50s. Find the maximum velocity and maximum acceleration
A 10-m-by-14-m house is built on a 12 centimeter thick slab of concrete. Find the rate of heat loss through the slab
The four tires on the author's car are inflated to an absolute pressure of 2.7x10^5 Pa. obtain the contact area between each tire and the ground
A 15 kg block is accelerated at 1.7 m/s2 up a frictionless plane inclined at 5.0° to the horizontal, with the speed increasing from 10 m/s to 35 m/s. What is the average rate at which energy is transferred to the block
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