Physics, 24.02.2021 22:00 saharaapollonio
a shopping cart has a momentum of 12kg•m/s. what momentum would the cart have if it had twice the mass? -6kg•m/s, 12kg•m/s, 18 kg•m/s, 24 kg•m/s
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
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