Answers: 1
Physics, 22.06.2019 21:00, brittneys55
What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
Answers: 1
Physics, 23.06.2019 01:30, beckytank6338
Mackinzie walks 4 blocks west, then 2 blocks south, then 4 blocks east, and, finally, 1 block south. what is the magnitude of her total displacement duringthis walk (in blocks)?
Answers: 2
Physics, 23.06.2019 02:00, sarbjit879
How is an electron dot structure used to represent a covalent bond?
Answers: 2
Physics, 23.06.2019 03:00, neyssa83
Suppose that a cylindrical tank 6 meters high with a radius of 2 meters is filled to the rim with water. the tank is buried so that the top of the tank is 1 meter below ground level. the space above the tank is not filled with water. calculate how much work needs to be done by a pump to pump the water out of the tank up to ground level. (the water weighs 9,800 newtons per cubic meter.)
Answers: 2
The gas in a cylinder has a volume of 3 liters at a pressure of 100 kpa. the pressure of the gas is...
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