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Name three different units of energy used to measure heat and describe what type of situations each is usually used.
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Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
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Lin yao looks at the back of a spoon. how should she describe her reflection? a. upside down and s...
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