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A flat sheet of crystalline quartz has a thickness of 2.1 cm. It is on top of a flat sheet of diamond that has a thickness of 3.0 cm. Light strikes the crystalline quartz perpendicularly and travels through it and then through the diamond. In the time it takes the light to travel through the two sheets, how far would it have traveled in a vacuum?
One end of a copper rod is in thermal contact with a hot reservoir at 995 K, Find the entropy change of cooler reservoir
A train is travelling up a 4.40 incline at a speed of 3.30 when the last car breaks free and begins to coast without friction. How long does it take for the car to come to rest? How far does the car travel.
A 16 kg steel ball is launched from a cannon at an angle of 20 degrees above the horizontal. The cannon exerted an average force of 1200 Newtons on the ball during launch. Now that ball is in the air and has almost reached its target, what is the ..
A cosmic-ray proton in interstellar space has an energy of 10 MeV and executes a circular orbit having a radius equal to that of Mercury's orbit around Sun (5.80 × 1010 m). What is the magnetic field in that region of space.
he electron mass is 9×10?31 kg. What is the magnitude of the momentum of the electron
A mass m = 14 kg is pulled along a horizontal floor, with a coefficient of kinetic friction ?k = 0.09, for a distance d = 7.9 m. What is the work done by tension before the block gets to the incline
A 0.400 kg soccer ball approaches a player horizontally with a speed of 11.0 m/s. What impulse was delivered to the ball by the player
An accelerating voltage of 2.65 multiply.gif 103 V is applied to an electron gun, What is the magnitude of the deflection on the screen caused by the Earth's gravitational field
A transverse pulse moves along a stretched cord of length 5.29 m having a mass of 0.180 kg. If the tension in the cord is 13.4 N, find the following. (a) The wave speed. (b) The time it takes the pulse to travel the length of the cord.
A heat engine operates in a Carnot cycle between reservoirs of temperatures 1000K and 400K. What is the work output per cycle
The potential difference across a resting neuron in the human body is about 105.0 mV, How much power does the neuron release
Explain how would your answer differ if the taxes payable method were used in accounting standards for private enterprises? Describe, do not calculate.
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