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Unpolarized light of intensity I0 is incident on the following arrangements of polarizing sheets. The first polarizer is oriented vertically; the second is oriented so it makes an angle of 30o by the vertical; the third and last polarizer makes an angle of – 30o with the vertical. (a) Decide the intensity of the light transmitted through this group of polarizers as a fraction of I0. (b) If the first and second polarizers are interchanged, will that alter the transmitted intensity? If so, how?
The engine of an aircraft propeller delivers an amount of power 177 hp to the propeller at a rotational velocity of 2390rev/min, How much torque does the aircraft engine provide
A baseball thrown from the out field is released from shoulderheight at an initial velocity of 29.4 m/s at an initial angle of30.0° with respect to the horizontal. What is the maximumvertical displacement that the ball reaches during itstrajectory..
a 70.0 ball of clay is thrown horizontally with a speed of 12.0 toward a 920 block resting on a frictionless surface.
calculate the uncertainty in momentum and velocity of an electron in a 1 aring box 1 dimenstional a hydrogen atom in a
An isolated conductor has net charge +10 x 10-6 C and a cavity with a point charge q = +3 x 10-6 C. What is the charge on the cavity wall and the outer surface
In an X-ray scattering measurement the first order diffraction peak is observed at ? = 16.5°. What is the angle of the third order peak
An L-R-C series circuit, R = 160? , L = 0.730H , and C = 2.00×10?2?F . The source has a voltage amplitude of 160V and a frequency equal to the resonance frequency of the circuit. What is the average power delivered by the source
A bow with spring constant 2000 N/m us used to shoot a 90-g arrow. If the bow is pulled back 18 cm, what will be the speed of the arrow as it leaves the bow?
Three polarizing filters are stacked with the polarizing axes of the second and third at 30 and 75.0, find the intensity of light emerging from each filter
a skydiver deploys his parachute when he is 1020 directly above his desired landing spot. he then falls through the air
The intensity of sunlight that reaches Earths amosphere is 1400 W/m2. What is the intensity of sunlight
A small plane is dropping emergency supplies to a fishing boat that has been blown out to sea. How far from the boat will the supplies land
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