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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?
2.50 kg block slides down the inclined plane at a 20.0degree angle as shown below. Calculte the work done by the force of friction
Derive an equation for T as a function of k and m. If you plot a graph of T^2 versus m, what combination of variables represents the slope
A screen is placed 43.9 cm from a single slit, which is illuminated with light of wavelength 672 nm. what is the width of the slit
Neptune orbits the sun with an orbital radius of 4.495x10^12m whichallow gases such as methane to condense and form an atmosphere. ifthe mass of the sun is 1.99x10^30kg calculate the period of Neptunes orbit.
An auto goes from 0 to 30 m/s in 5 s, at a uniform rate of acceleration. The radius of the auto's tires is .33 m. How many revolutions per second are the tires making
A long solenoid that has 1,140 turns uniformly distributed over a length of 0.445 m produces a magnetic field of magnitude 1.00 10-4 T at its center. What current is required in the windings for that to occur
An audio amplifier, represented by the AC source and the resistor R, what is the time-averaged power delivered to the speaker
A lonely party balloon with a volume of 2.40 L and containing 0.100 mol of air is left behind to drift in the temporarily uninhabited, Calculate the entropy change of the air during the expansion
A string provides a horizontal force which acts on a 500 N rectangular block at top right-hand corner. The length on top of block is 0.7m and the length on the side of the block is 1m. If the block slides with constant speed, find the tension in t..
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hertz that can travel up to 10 kilometer. Compute the intensity level of the infrasound 10 kilometer from the source
A sphere with a diameter of 70 cm is held at a temperature of 290°C and is radiating energy. what is the emissivity of the sphere
A solenoid 27.0 cm long and with a cross-sectional area of 0.510cm2 contains 410 turns of wire and carries a current of 70.0 A, Calculate the energy density in the magnetic field if the solenoid is filled with air
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