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A beam of polarized light with an average intensity of 14.8 W/m2 is sent through a polarizer. Thetransmission axis makes an angle of 26° with respect to the direction of polarization. Determine the rms value of the electric field of the transmitted beam.
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.95 m/s, Find the height of the balcony
Tension is maintained in a string. The observed wave speed is 25 m/s when the suspended mass is 3.0 kg. (a) What is the mass per unit length of the string?
A "swing" ride at a carnival consists of chairs that are swung in a circle by 14.3 m cables attached to a vertical rotating pole, Determine the tension in the cable attached to the chair
What is corresponding free energy change
A stone is thrown horizontally from the top of a 15m building. The stone hits the ground at a point 24m from the base of the tower. Determine the speed of the stone just before it hits the ground
A certain transverse wave is described by y(x,t)=Bcos[2pi(x/L - t/T)], where B= 6.80mm , L= 30.0cm , and T= 3.30×10^-2s. Determine the wave's speed of propagation
A railroad train is traveling at 30.0 m/s in still air. What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and approaching the first
An electron in chromium moves from the n = 2 state to the n = 1 state without emitting a photon. Use the Bohr theory to estimate the kinetic energy of the Auger electron
A certain type of laser emits light that has a frequency of 6.0 × 1014 Hz. How many wavelengths are there in one pulse
A musician plays a string on a guitar that has a fundamental frequency of 330.0 Hz. The string is 64.2 cm long and has a mass of 0.316 g. At what speed do the waves travel on the string
The potential difference between the plates of a capacitor is 242V. Midway between the plates; a proton and an electron are free. The electron is released from rest.
A 120.kg refrigerator is at rest on a kitchen floor ( mu of s= 0.43 and mu of K= 0.27). How much force is needed to move the refrigerator at a constant speed of 5.41 m/s
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