The diagram shows two bar magnets. They are cut along the dashed line, and then the two marked ends are placed near each other.
Two bar magnet horizontal. The top has the north pole left and the south pole right. The magnet below is reversed. There is a red line from the center of the top one to the south pole of the bottom one.
Which statement best explains how the pieces will react?
The pieces will repel because the cut end of the top magnet is not a magnetic pole.
The pieces will attract because the cut end of the top magnet is not a magnetic pole.
The pieces will repel because the cut end of the top magnet is a south pole.
The pieces will attract because the cut end of the top magnet is a north pole.
Answers: 2
Physics, 22.06.2019 14:10
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Answers: 3
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