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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?
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Which accounts for an increase in the temperature of a gas that is kept a constant volume
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Un alambre conductor tiene una resistencia de 36 ohm a 32 ° C centigrados y de 63 ohm a 23 ° C. Calc...
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