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A disabled tanker leaks kerosene (n = 1.20) into the Persian Gulf, creating a large slick on top of the water (n = 1.30).
a) If you are looking straight down from an airplane, while the Sun is overhead, at a region of the slick where its thickness is 430 nm, for which wavelength(s) of visible light is the reflection brightest as of constructive interference?
b) If you are scuba diving directly under this similar region of the slick, for which wavelength(s) of visible light is the transmitted intensity strongest?
You can simulate radioactive decay by tossing pennies. Assemble a collection of as many pennies (or other coins) as you can; around 100 would be ideal. What is the half-life in numbers of tosses
A soap film formed in a loop of wire is, because of its weight, not exactly uniform in thickness, but wedge-shaped in cross section. When the film is illuminated with 546 nm light, one sees four interference fringes spread over a distance of 2.0 c..
a rail gun uses electromagnetic forces to accelerate a projectile to very high velocities. the basic mechanism of
At what distance along the central axis of a uniformly chargedplastic disk of radius R = 1.40 m is themagnitude of the electric field equal to 1/9 times the magnitude ofthe field at the center of the surface of the disk?
A machine puts out 100 Watts of power for every 1000 Watts put into it. What is the efficiency of the machine
A diverging lens (f = -12 cm) is located 20.0 cm to the left of a converging lens (f = 35.0 cm). find the distance of the final image relative to the converging lens
A uniform magnetic field B is set up in a solenoid of radius a =.4m. B is directed out of the plane of the paper, and is increasing ar a constant rate of +.5 T/s. find the size of the current induced in the metal ring
The racket is a potential-energy barrier whose height is the energy of the slowest string-breaking ball. Suppose that a 100 g tennis ball traveling at 220mph is just sufficient to break the 2.0-mm-thick strings.
A spherical, conducting shell (inner radius = a and outer radius = b) has a charge +Q placed on it. What is the electric field everywhere
A fireman d = 46.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of θi = 38.0°, at what height will the stream of water strike the building
Starting from rest several toy cars roll down ramps with differing lengths and angles. Rank them by their speed to the bottom ofthe ramp from the slowest to fastest. Car A goes down a 10 mramp inclined at 15 degrees, car B goes down a 10 m ramp incli..
an empty parallel plate capacitor is connected between the terminals of a 8.92-v battery and charges up. the capacitor
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