Physics, 27.01.2020 01:31 hamada11617
Which statement best describes the magnetic properties of a material?
magnetic materials have many spinning, unpaired electrons
paired electrons of magnetic materials can move to other atoms
electrons of magnetic materials are strongly held by atomic nuclei
magnetic materials move positively charged particles to other atoms
Answers: 1
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The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
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Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:
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Which statement best describes the magnetic properties of a material?
magnetic material...
magnetic material...
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