The erupting geysers of nitrogen gas on Triton
A) are caused by a not yet determined internal energy source.
B) can be viewed by the Hubble Space Telescope.
C) produced the large liquid oceans.
D) are increasing the moon's rotation rate.
E) produced the frozen nitrogen surface.
A
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Light travels at speed c. Complete the following equation using only words: wave speed = _____________ × ________________
Fill in the blank(s) with correct word
Explain why stars more massive than the Sun live shorter main sequence lives than stars less massive than the Sun, despite having more fuel available for nuclear reactions
What will be an ideal response?
When a damping force is applied to a simple harmonic oscillator which has angular frequency ?0 in the absence of damping, the new angular frequency ? is such that
a. ? < ?0. b. ? = ?0. c. ? > ?0. d. ?T < ?0T0. e. ?T > ?0T0.
A bolt of lightning strikes the ground 200 m from a 100-turn coil oriented vertically and with the plane of the coil pointing toward the lightning strike. The radius of the coil is 0.800 m and the current in the lightning bolt falls from 6.02 × 106 A to zero in 10.5 ?s. What is the voltage induced in the coil over this time period? [A question for future electrical engineers: is there any way
to get lightning to strike repeatedly at the same point?]
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