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Unpolarized light passes through two Polaroid sheets. The transmission axis of the analyzer makes an angle of 32.0° with the axis of the polarizer.
(a) What fraction of the original unpolarized light is transmitted through the analyzer?
(b) What fraction of the original light is absorbed by the analyzer?
A stainless-steel orthodontic wire is applied to a tooth that is out of line by 40 degrees. find the magnitude of the force on the tooth
If the greatest pressure crustal rock can sustain before crumbling is 1.4×109 , find the maximum depth of the Earth's crust
An experiment finds that standing waves on a 0.800-m-long string, fixed at both ends, occur at 24.0 Hz and 32.0 HZ, but at no frequencies in between. What is the wave speed on the string
The scale of a spring balance reading from 0 to 230 N has a length of 15.0cm. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.40 Hz. What is the mass of the fish ignoring the mass of the spring.
An 80.7-kg jogger is heading due east at a speed of 1.950 m/s. A 53.60 kg jogger is heading 33.1° north of east at a speed of 2.89m/s. compute the magnitude (enter first) and direction of the sum of momenta of the two joggers.
(8c1p14) Time standards are now based on atomic clocks. A promising second standard is based on pulsars, which are rotating neutron stars, What is the mass of gasoline (? = 0.680 g/cm3) in a 94.6 L gasoline tank? (kg)
On a workday the average decibel level of a busy street is 65 kb, with 121 cars passing a given point every minute. If the number of cars is reduced to 33 cars every minute on a weekend, what is the decibel level of the street.
Mary runs off a diving board with a velocity of 1.7 m/s in the horizontal direction. If the water surface is 2 meters below the board: how long will it take for her to hit the water
The parallel plates in a capacitor, with a plate area of 6.10 cm2 and an air-filled separation of 3.20 mm, are charged by a 4.30 V , find the work required to separate the plates
A stick of mass m and length L spins with frequency w around an axis, What is the tension in the string, and what is the force that the pivot applies to the stick
A 33.6 m length of copper wire at 23?C has aradius of 0.19 mm . The resistivity of copperis 1.7 × 10?8 ? m, determine the current in the wire
A nonconducting sphere contains positive charge distributed uniformly throughout its volume. Which statements about the potential due to this sphere are true?
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