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Coherent light that contains two wavelengths, 665 nm (red) and 575 nm (yellow), passesthrough two narrow slits separated by 0.300 mm, and theinterference pattern is observed on a screen 5.00 m from the slits. What is the distance on the screen between the first-order brightfringes for the two wavelengths?
The filament of anincandescent lightbulb is a thin tungsten wire. Suppose a lightbulbhas a resistance of 42 Ω at room temperature. During normal operation, the filament reaches atemperature of about 2990 K.
By differentiating the expression for the Maxwell-Boltzmann energy distribution, show that the peak of the distribution occurs at an energy of (1/2)kT.
The mass of the moon is 7.34 x 10^22 kg and its average radius is 1785 km. What was the period of the Lunar Prospector
a steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate. the
radioactive isotopes decay according to a first order process. if nt is the number of atoms of a radioactive isotope at
Mary Healy, the young woman with severe vaginal bleeding, is admitted to emergency room. She is three months pregnant, and physician is concerned about the volume of the blood she is losing.
How many 112 W lightbulbs can you use in a 100 V circuit without tripping a 15 A circuit breaker? (The bulbs are connected in parallel, that means that the potential difference across each lightbulb is 100 V.)
Seismic p-waves travel at abou 6 km/s and s-waves at 4 km/s. how far away was the earthquake that produced them
A ladder with a mass of 16 Kg is placed on a frictionless vertical wall, see fig. A 75 Kg person climbs up the ladder but notices the ladder slipping. what percent of the length of the ladder did the person climb
two polarizers are oriented at 38 degrees to one another. what percent reduction in intensity takes place
a 20 kg traffic light hangs midway on a cable between two poles 40 meters apart. if the sag in the in the cable is 0.40
A metallic sphere has a charge of +3.9 nC. A negatively charged rod has a charge of -6.0 nC. What are the charges of the sphere and the rod
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