A copper wire of length 25.0 cm is in a magnetic field of 0.36 T. If it has a mass of 11.0 g, what is the minimum current through the wire that would cause a magnetic force equal to its weight?
a. 12 A
b. 0.48 A
c. 1.2 A
d. 3.3 A
e. 0.75 A
c
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The gauge pressure of the water in a swimming pool at 10 ft is __________ the gauge pressure of the water at 5 ft
Fill in the blank(s) with correct word
The wavelength of maximum intensity is useful in measuring the ____
a. surface temperatures of an object from their colors b. distance to an object from their colors c. chemical composition of an object d. motion of an object across the observer's line of sight e. motion of an object toward or away from the observer
_____ coincides with the period called the "Little Ice Age," a time of unusually cool weather in Europe and North America
A) The Maunder minimum B) A blueshift C) A redshift D) The magnetic solar phenomenon
Answer each of the following questions to compare the two plots.
a) Which plot, if either, better shows mass and radius information for all the planets? b) Which plot, if either, better emphasizes the differences between Jupiter and Saturn? c) Which plot, if either, could more easily be extended to show a planet with twice Jupiter's mass or radius?