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Two spheres are cut from a certain uniform rock, one has radius 4.85 cm. the mass of the other is three times greater. find its radius.
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If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?
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What equation is used to calculate the weight of an object on a plant ?
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Two spheres are cut from a certain uniform rock, one has radius 4.85 cm. the mass of the other is th...
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