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The index of refraction for red light in water is 1.331 and that for blue light is 1.340. If a ray of white light enters the water at an angle of incidence of 88.20°, what are the underwater angles of refraction for the blue and red components of the light?
In January from Indiana, Andromeda is high in the sky at 6pm local time. (Note that local time is about 40 minutes later than Eastern Standard Time, because Indiana is on the far western end of the time zone. The sun is at its highest point in the..
An airplane has a mass of 1.8×10^6 kg , and the air flows past the lower surface of the wings at 94 m/s .f the wings have a surface area of 1300 m^2, how fast should the air flow over the upper surface of the wing if the plane is to stay in the ai..
Two narrow slits 62um apart are illuminated with light of wavelength 480nm . What is an angle of the bright fringe in degrees.
a bicycle is turned upside down in the shop being repaired. a friend spins the wheel, radius R, and notices that water drops fly off the wheel tangentially to the wheel, calculate the average velocity V during one revolution
Small spheres of diameter 1.03 mm fall through 20°C water with a terminal speed of 1.00 cm/s. Calculate the density of the spheres
q1. boat a negotiates a curve whose radius is 352 m. boat b negotiates a curve whose radius is 160 m. each boat
A rectangle has an area of 36.38 cm2. When both the length and width of the rectangle are increased by 1.60 cm, Calculate the length of the shorter of the two sides of the initial rectangle
The two plates of a parallel plate capacitor are 5.8 mm apart and have a potential difference between the of 220 V. Find the magnitude of the electric field between the plates
A child looks at his reflection in a spherical Christmas tree ornament 8cm in diameter, and sees his image reduced by half. How long is his face from the ornament.
The average threshold of dark-adapted (scotopic) vision is 4.00 10-11 W/m2 at a central wavelength of 500 nm. how many photons per second enter the eye
A 2.05-kg block is on a plane at 19 degrees with respect to the horizontal. The coefficent of static friction between the block and the plan is 0.80. How many forces are acting on the block
Nine electrons are injected into a one-dimensional energy well with a width of 2 nm. (a) What will be the quantum numbers and energies of each of the nine electrons? (b) What is the lowest-energy photon that can now be absorbed by electrons in this e..
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