A student uses a bar magnet to pick up a nail. He then touches the tip of the nail to some staples. Why do some of the staples stick to the nail? The nail and the bar magnet are now both permanent magnets. The nail has become a temporary magnet, while the bar magnet remains a permanent magnet. The nail has become a permanent magnet, while the bar magnet has become a temporary magnet. The nail and the bar magnet are now both temporary magnets.
the answer is the nail has become a temporary magnet
Answers: 1
Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
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For this car, predict the shape of a graph that shows distance (x) versus time (t). note that time is the independent variable and will be on the bottom axis. need asap
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Explain why you think this diagram shows what happened to the carbon in the biodome.
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Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not
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A student uses a bar magnet to pick up a nail. He then touches the tip of the nail to some staples....
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