Physics, 04.01.2021 14:40 BlueLemonWater
In terms of the scientific definition of work, magnetic and electric fields can do work.
Answers: 1
Physics, 22.06.2019 00:30, powberier6979
Consider an ordinary, helium-filled party balloon with a volume of 2.2 ft3. the lifting force on the balloon due to the outside air is the net resultant of the pressure distribution exerted on the exterior surface of the balloon. using this fact, we can derive archimedes’ principle, namely that the upward force on the balloon is equal to the weight of the air displaced by the balloon. assuming that the balloon is at sea level, where the air density is 0.002377 slug/ft3, calculate the maximum weight that can be lifted by the balloon. note: the molecular weight of air is 28.8 and that of helium is 4.
Answers: 2
Physics, 23.06.2019 05:10, richardharding
For those who need theses answers i just took the test and got everyone of them
Answers: 3
In terms of the scientific definition of work, magnetic and electric fields can do work....
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