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Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?
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Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
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Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.
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Problem:
If you place a container with hot water inside a container with cold water, wha...
If you place a container with hot water inside a container with cold water, wha...
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