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A thin film of acetone (n = 1.25) coats a thick glass plate (n=1.50). White light is incident normal to the film. In the reflections, fully destructive interference occurs at 500 nm and fully constructive interference at 542 nm. Calculate the thickness of the acetone film.
The barricade at the end of subway line has a large spring designed to compress 2.00 m when stopping a 1.00 x 10^5 kg train moving at 0,500 m/s. What speed would the train be going if it only compressed the spring 0.500 m?
A container encloses 4.0 mol of an ideal gas that has molar mass M1 and 1.5 mol of a second ideal gas that has molar mass M2 = 3M1
Calculate the magnitude of the angular momentum of the Venus in a circular orbit around the sun. The Venus has mass 4.87×1024 kg
An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. Find the magnitudes of the net force acting on the electron
Wire 1 and 2 are made of the same metal. What is the ratio p2/p1 of the resistivities of the two wires
Calculate the total number of electrons in a coin of mass of 3.00 grams made of pure copper. Each copper atom has 29 electrons, its atomic weight is 63.5 grams, and density is 8.9 gram / cm^3.
What is the magnetic field at the center of a circular loop of wire of radius 4.0cm when a current of 10a flows in the wire
In the Rutherford scattering experiment, 3.30 MeV alpha particles (4He nuclei containing 2 protons and 2 neutrons) scatter off lead nuclei (containing 82 protons and 126 neutrons). Determine the maximum force exerted on the alpha particle
Your beighbor has a cute Bichon-Frise puppy. assume air is 80% Nitrogen and 20% Oxygen, how many grams of air does the tire contain
A rocket sled moved down a track at 632 mi/h and came to rest in 1.4 s.determine the negative acceleration and the distance traveled
A 1000-kg car is travelling west at 17.0 m/s toward an intersection. What is the angle of their velocity after the collision relative to the east direction
A steam locomotive uses the back-and-forth motion of a drive rod to turn its 1.45 m diameter wheel. What's the rod's oscillation frequency when the train is moving at 30 m/s
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