Which electromagnet would have the most strength?
a) an electromagnet with 5 coils.
b)...
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What is the coefficient of kinetic friction ÎĽk between the block and the tabletop?
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Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two
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Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity
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Certain bacteria (such as aquaspirillum magnetotacticum) tend to swim toward the earth’s geographic north pole because they contain tiny particles, called magnetosomes, that are sensitive to a magnetic field. if a transmission line carrying 100 a is laid underwater, at what range of distances would the magnetic field from this line be great enough to interfere with the migration of these bacteria? (assume that a field less than 5% of the earth’s field would have little effect on the bacteria. take the earth’s field to be 5.0 * 10-5 t, and ignore the effects of the seawater.)
Answers: 1
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