Maxwell Mons on Venus is a huge:
A) impact crater larger than Texas.
B) shield volcano.
C) rift valley.
D) tectonic mountain chain, like the Himalayas.
E) ocean basin larger than the Pacific Ocean.
B
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A flat square coil of wire with 15 turns and an area of 0.40 m2 is placed with the plane of its area parallel to a magnetic field of 0.75 T
The coil is flipped so its plane is perpendicular to the magnetic field in a time of 0.050 s. What is the magnitude of the average induced emf in the coil? A) 6.0 V B) 36 V C) 45 V D) 90 V
If the Moon were covered with water, it would have
1) one high tidal bulge, 2) two high tidal bulges, 3) three high tidal bulges, 4) no tidal bulges, which would follow from 5) the same reason that Earth has two high tidal bulges. 6) no centrifugal force tide would exist on the Moon. 7) the Moon being much less massive than Earth. 8) the center of mass of Earth-Moon system that lies halfway to the Moon.
One can reverse the north and south poles of an electromagnet by reversing the direction of current flow through it
Indicate whether the statement is true or false
The fundamental frequency of a above middle C on the piano is 440 Hz. This is the tenor high A, but a convenient note in the mid-range of women's voices. When we calculate the wavelength, we find that it is
a. much shorter than the length of either a man's or woman's lips. b. shorter than the length of a man's lips, but about the length of a woman's lips. c. longer than a woman's lips, but about the length of a man's lips. d. much longer than the length of either a man's or a woman's lips. e. about the same length as either a man's or woman's lips.