The largest Jovian moon that appears to have been captured is
A) Titania, the moon of Uranus
B) Io, the moon of Jupiter
C) Triton, the moon of Neptune
D) Titan, the moon of Saturn
C
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What condition must apply to a system's state of motion for it to be regarded as an inertial frame of reference?
a. in decreasing velocity b. in constant velocity c. in constant acceleration d. in increasing acceleration
The speed of the electron in the Bohr theory of hydrogen is:
a. inversely proportional to n. c. proportional to n. b. inversely proportional to n2. d. proportional to n2.
Most stars are usually formed singularly or as binaries, not in clusters
Indicate whether the statement is true or false
An airplane flies in a horizontal circle of radius 500 m at a speed of 150 m/s. If the radius were changed to 1 000 m, but the speed remained the same, by what factor would its centripetal acceleration change?
a. 0.25 b. 0.50 c. 1.00 d. 2.00 e. 4.00