It has been suggested that a heat engine could be developed that made use of the fact that the temperature several hundred meters beneath the surface of the ocean is several degrees colder than the temperature at the surface. in the tropics, the temperature may be 6 degrees c and 22 degrees c, respectively. what is the maximum efficiency (in %) such an engine could have?
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Physics, 21.06.2019 20:20
An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?
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Physics, 21.06.2019 22:00
To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a βconstantβ is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .
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What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics
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Physics, 22.06.2019 06:30
From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.
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It has been suggested that a heat engine could be developed that made use of the fact that the tempe...
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