In the context of Jupiter, which of the following statements is true of belt-zone circulation?
A) Belts are brighter than zones because rising gas forms clouds high in the atmosphere.
B) It creates wave-shaped winds.
C) It results from Jupiter's rapid rotation.
D) It is caused because of the difference in temperature between Jupiter's poles and equator.
C
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Acceleration: Suppose that a car traveling to the east (+x direction) begins to slow down as it approaches a traffic light. Which statement concerning its acceleration must be correct?
A. Its acceleration is in the +x direction. B. Its acceleration is in the -x direction. C. Its acceleration is zero. D. Its acceleration is decreasing in magnitude as the car slows down.
A straight 10-cm wire bent at its midpoint so as to form an angle of 90° carries a current of 10 A. It lies in the xy plane in a region where the magnetic field is in the positive z direction and has a constant magnitude of 3.0 mT. What is the magnitude of the magnetic force on this wire?
A. 3.2 mN B. 2.1 mN C. 5.3 mN D. 4.2 mN E. 6.0 mN
The light bulbs in this circuit are connected in
a.
parallel.
b.
series.
c.
neither parallel nor series.
d.
a short circuit.
A boulder rolls off of a very high cliff and experiences no significant air resistance. While it is falling, its trajectory is never truly vertical
A) True B) False