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The heliocentric and the geocentric models of the solar system included these central principles
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Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3
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A student pushes a 0.2 kg box against a spring causing the spring to compress 0.15 m. When the sprin...
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