Physics, 21.05.2021 02:10 blackwell0315
Explain what would happen if a paper clip was brought close to the South Pole of a permanent magnet?
Answers: 2
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What is the function of the commutator in a dc motor? a. to spin the magnet b. to change direct current into alternating current c. to change alternating current into direct current d. to spin the wire coil
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Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.
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Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?
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Explain what would happen if a paper clip was brought close to the South Pole of a permanent magnet?...
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