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A very large number (N+1) polaroids are arranged in a sandwich. The transmission axis of each polaroid is at a constant angle α with respect to its predecessor. Thus the last polaroid is at an angle θ=Nα from the first. A plane polarized light of irradiance I0 is incident on the first poloraid which has a transmission axis parallel to the plane of polarization of the light. Determine the output irradiance from the sandwich. Note: you may use the Taylor expansion to obtain the final result.
A basketball leaves a player's hands at a height of 2.20m above the floor. what is the range of initial speeds allowed to make the basket
An electron is released from rest at a perpendicular distance of 9.6 cm from a line of charge on a very long nonconducting rod. What is the magnitude of the electron's initial acceleration
A lens of focal length +1.25 cm is used as a simple magnifier by holding outside the eye. what is the angular magnification
A 12 volt battery powers a circuit that consists of a ten ohm resistor in series with a ten ohm and a 15 ohm that are in parallel. How much current flows through the 15 ohm resistor
Tendons are strong elastic fibers that attach muscles to bones. To a reasonable approximation, they obey Hooke's law. Find the force constant of this tendon in N/m
A cop car drives at 30m/s toward the scene of a crime, with its siren sounding (f = 2125 Hz.) Estimate the frequency heard by people at the crime scene as the siren approaches and the frequency heard as the siren moves away from people.
In an effort to stay awake for an all-night study session, a student makes a cup of coffee by first placing a 200 W electric immersion heater in 0.320kg of water.
A 200 gram block, attached to the end of an ideal spring (horizontal) with force constant k = 70 N/m, What is the total mechanical energy of the block
A person jumps up and down on a trampoline, while staying in contact with it. The motion is simple harmonic motion and it takes 1.90s to complete one cycle.
A person pulls a toboggan for a distance of 39.7 m along the snow with a rope directed 33.0 ° above the snow. How much work is done on the toboggan by the tension force
A narrow glass tube, open at one end, closed at the other, is 40cm long. find the wavelength of the resonant wave
The force on a point charge, q, located along the z axis due to a uniformly charged ring of total charge Q, Find the points along the z axis where the force is maximum
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