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| Questions:
TimeLeft: Posted: |
Physics
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Suppose instead that the person riding on top of the freight car shines a searchlight beam in the direction in which the train is traveling. Does the more... |
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Apr 15th |
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A 0.10 mm wide slit is illuminated by light of wavelength 566 nm. Consider a point P on a viewing screen on which the diffraction pattern of the slit more... |
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Apr 6th |
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A glass lens is coated on one side with a thin film of magnesium fluoride (MgF2) to reduce reflection from the lens surface (figure below). The index more... |
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Apr 6th |
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Light of wavelength 710.0 nm is sent along a route of length 2030 nm in vacuum. The route is then filled with a medium having an index of refraction o more... |
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Apr 6th |
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In the figure below, a broad beam of light of wavelength 661 nm is sent directly downward through the top plate of a pair of glass plates. The plates more... |
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Apr 6th |
A 600 nm-thick soap film (n = 1.5) in air is illuminated with white light in a direction perpendicular to the film.
(a) For how many differe more... |
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Apr 6th |
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Two waves of the same frequency have amplitudes 1.25 and 2.42. They interfere at a point where their phase difference is 61.0°. What is the resul more... |
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Apr 6th |
since its quantum mechanics and relativity, pls be a little clear:
1. Consider yourself to be a photon moving away from the earth into o more... |
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Jan 29th |
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1)A 100 g ball attached to a spring with spring constant 2.50 N/m oscillates horizontally on a frictionless table. Its velocity is 20.0 cm/s when x = more... |
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Jan 26th |
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a body of mass 3kg moving at 4ms collides with a body of mass 4kg moving in the same direction with a velocity of 3ms .if they stick together on impac more... |
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Jan 18th |
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How might a smaller magnitude earthquake do more damage then a larger one? more... |
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Jan 10th |
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A 3.0 kg body is initially moving northward at 15 m/s. Then a force of 15 N, toward the east, acts on it for 4 s. At the end of the 4 s what is the bo more... |
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Nov 22nd |
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what is working principle of constant deviation spectrometer more... |
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Nov 12th |
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1.A rope having a total mass of 0.4kg and total length 4m has 0.6m of the rope hanging vertically down off a work bench. How much work must be done to more... |
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Oct 23rd |
A 340-hz sound wave travels at 340 m/s in air with a wavelength of...
a. 1m.
b. 10m.
more... |
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Jun 7th |
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