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An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?
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The air that we breath is made mostly of which gaseous molecule
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At what time will the interfering waves have an amplitudeof zero?
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Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 โ t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.
Answers: 2
Which of the following is the best example of a good hypothesis?
A. A cheetah can run fast at nigh...
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