Physics, 01.08.2019 00:30 taralynnn8870
Acopper rod 0.570 � long and with a mass 0.05900 �� is suspended from two thin wire. at right angle to the rod is a uniform magnetic field of 0.670 � pointing into the page. find (a) the direction and (b) magnitude of the electric current to levitate the copper rod’s gravitation force.
Answers: 1
Physics, 23.06.2019 20:20
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Physics, 23.06.2019 21:10
If a weighted, air-filled balloon sinks in a lake, it will a. be buoyed up with constant force while sinking b. probably sink to the bottom and probably rise later c. sink until it reaches equilibrium and then remain at constant depth d. always sink to the bottom e. none of the above
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Physics, 23.06.2019 23:30
One way to produce electrical current is to move a wire within a a. circuit b. battery c. light switch d. magnetic field
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Physics, 24.06.2019 01:30
How much horsepower is needed to lift a box that is 10 pounds 3 feet in 10 seconds?
Answers: 1
Acopper rod 0.570 � long and with a mass 0.05900 �� is suspended from two thin wire. at right angle...
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