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An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?
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We put a force of 50n on an object and the acceleration is 100 m/sΒ². what is the mass of the object?
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If a balloon is taken outside on a very cold day, what will occur?
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If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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One of the earliest forms of space management was known as . a. defensive driving b. see it c. smit...
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