An object has a weight of 45n in air 34n in water and 3n in
An object has a weight of 4.5N in air, 3.4N in water and 3N in a salt solution. If the density of the water is 1000km m^-3, what is the density of the salt solution.
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an object has a weight of 45n in air 34n in water and 3n in a salt solution if the density of the water is 1000km m-3
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a helium-neon laser l583 nm illuminates a single slit and is observed on a screen 2 m behind the slit the distance
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