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There are weak or strong attractive forces between atoms of liquids with a high viscosity
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How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?
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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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Physics, 22.06.2019 18:00
What structural formula represents 4 electrons shared between two atoms?
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A camera with a 100mm lens can be used to focus objects from 6pm to infinity onto screen. how much m...
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