Which two statements are true?
-the definitions for electric force and electromagnetic...
Physics, 25.11.2019 05:31, Animallover100
Which two statements are true?
-the definitions for electric force and electromagnetic force are identical.
-electric forces and magnetic forces are different aspects of a single electromagnetic force.
-the operation of a motor depends on the relationship between electric and magnetic forces.
or
-a magnet must be moving for a magnetic force field to exist.
Answers: 1
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When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
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Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
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