Materials that have a large magnetic susceptibility and are insulators are _________.
Fill in the blank(s) with the appropriate word(s).
ferromagnetic
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A probe in space continues in its motion due to
A) very low friction. B) its own inertia. C) it seeking a continued state of motion. D) none of the above
A transformer with a turns ratio of 20:1 is used to step down 120vac, what is the peak voltage in the secondary?
A. 6.00 V B. 7.33 V C. 170 V D. 8.50 V
Distant bright snowy mountains appear yellowish because
A) they are far away. B) blue has been scattered away from light reflected from the mountains. C) the color yellow looks just right. D) of nature's wonderful preferences.
Newton's Second Law in 2 Dimensions: Two forces act on a 55-kg object. One force has magnitude 65 N directed 59° clockwise from the positive x-axis, and the other has a magnitude 35 N at 32° clockwise from the positive y-axis. What is the magnitude of this object's acceleration?
A. 1.1 m/s2 B. 1.3 m/s2 C. 1.5 m/s2 D. 1.7 m/s2