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Unpolarized light with an average intensity of 750.0W/m2 enters a polarizer with a vertical transmissionaxis. The transmitted light then enters a second polarizer. Thelight that exits the second polarizer is found to have an averageintensity of 125 W/m2. What is the orientation angle ofthe second polarizer relative to the first one?
A computer hard disk starts from rest, then speeds up with an angular acceleration of 200.0 rad/s2 until it reaches a final angular speed of 7300.0 rpm. How long does it take for the disk to reach this angular speed
q1. a 5-kg load is fastened vertically to the end of steel wire 0.5m long and 0.0006 sq.cm in cross-section. hanging
The situation just described occurs when the plane is above a point on the ground that is two-thirds of the way from the antenna to your house. determine the wavelength of the radio waves?
Find the rotational frequency of the wheel.
A tennis ball on Mars, where the acceleration due to gravity is 0.379g and air resistence is negligible, How fast was it moving just after being hit
Another way of looking at the fact that all objects have wave-like properties is diffraction. At what speed should the student be moving in order to have signficant diffraction as she enters the door
What is the least coating thickness required
At 100 degrees celsius the rms speed of nitrogen molecules is 576 m/s. Estimate the rate of molecular collisions (collisions/s) on this wall
A light beam with wavelength 440. nm in a material then enters air and its wavelength becomes 577. nm. What is the index of refraction for the material
A ball of clay of mass m travels with velocity v in a path tangent to a disk of Radius R and mass M. What is the final angular speed of the clay and disk
A 6 N force acts on a 0.3-kg object for 0.3 seconds. By how much does the object's momentum change (in kg-m/s)
Three resistors having resistances of 1.50{\rm \Omega} , 2.30{\rm \Omega}, and 4.70{\rm \Omega} are connected in parallel to a 29.0{\rm V}battery that has negligible internal resistance
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