The Jovian planets formed beyond the _______________, where water vapor, methane, and ammonia could freeze to form ice particles
Fill in the blank(s) with correct word
frost line
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A juggler throws two balls to the same height so that one is at the halfway point going up when the other is at the halfway point coming down. At that point:
A. Their velocities and accelerations are equal. B. Their velocities are equal but their accelerations are equal and opposite. C. Their accelerations are equal but their velocities are equal and opposite. D. Their velocities and accelerations are both equal and opposite. E. Their velocities are equal to their accelerations.
A long nonconducting cylinder (radius = 12 cm) has a charge of uniform density (5.0 nC/m3) distributed throughout its column. Determine the magnitude of the electric field 5.0 cm from the axis of the cylinder.
A. 25 N/C B. 20 N/C C. 14 N/C D. 31 N/C E. 34 N/C
A boxcar without a front or a back is moving toward the right. Two flashes of light move through the boxcar, one moving from back to front toward the right, the other moving from front to back toward the left. A passenger in the boxcar records how long it takes each flash of light to pass from one end of the boxcar to the other end. According to the passenger, which took longer?
a. the flash going from back to front b. the flash going from front to back c. They both took the same time. d. It depends on whether the passenger is sitting at the front or the back of the boxcar.
The phase angle of a series RL ac circuit with a 100-? resistor and a 20.0-mH inductor is 70.0°. What is the inductive reactance of this circuit?
A) 150 ? B) 175 ? C) 100 ? D) 275 ? E) 200 ?