Physics, 30.06.2020 01:01 kabiletproducciones
Sound and light energy travel from one place to another as waves. When this happens we say that the energy is:
A) transpired
B) transferred
C) transported
D ) trans communicated
which one is the correct one ?
Answers: 3
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With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
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For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat
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Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
Answers: 1
Sound and light energy travel from one place to another as waves. When this happens we say that the...
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