The loop’s front end has emerged from the field.
A. Current flows clockwise in the loop.
B. Current flows counterclockwise in the loop.
C. Current does not flow in the loop.
A. Current flows clockwise in the loop.
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Compared to the summer, the atmospheric pressure above a Martian polar cap in winter is
A) lower B) about the same C) slightly higher D) much higher
In a region of space where the magnetic field of the Earth has a magnitude of 80 ?T and is directed 30° below the horizontal, a 50-cm length of wire oriented horizontally along an east-west direction is moved horizontally to the south with a speed of 20 m/s. What is the magnitude of the induced potential difference between the ends of this wire?
A. 0.45 mV B. 0.35 mV C. 0.30 mV D. 0.40 mV E. 0.69 mV
A rocket with a mass of 750 grams is launched straight up. It achieves a velocity of 25.00 m/s in 2.00 seconds. The average net force on the rocket is
A. 16.7 N. B. 24.5 N. C. 33.1 N. D. 41.7 N. E. 52.8 N.
Parallels of latitude are parallel to the
a. longitude. b. International Date Line. c. equator. d. meridian.