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According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?
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Physics, 21.06.2019 23:30, reggiegilbert1995
Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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Aball has a speed of 15 m/s. only one external force acts on the ball. after this force acts, the sp...
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