What makes Neptune's moon Triton stand out from all the other large satellites in the Solar System?
a. originated as a comet
b. the most geologically active
c. the most reflective satellite
d. largest satellite in the Solar System
e. the only large satellite with a backward orbit
e
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Imagine that we launch a spaceship from the earth so its speed is 6 AU/y relative to the earth in the direction that the earth orbits the sun. This spaceship’s subsequent orbit around the sun is:
A. Circular B. Elliptical C. Parabolic D. Hyperbolic
Which of the following gives direct information about the age of the solar system?
A) Martian meteorites B) meteorites from asteroidal debris C) the solar wind D) the oldest Martian basalts E) the oldest lunar basalts
The Earth is 1.49 × 1011 meters from the Sun. If the solar radiation at the top of the Earth's atmosphere is 1340 W/m2, what is the total power output of the Sun?
A. 7.10 × 1027 W B. 2.20 × 1030 W C. 6.62 × 1026 W D. 3.74 × 1026 W E. 2.98 × 1025 W
Mass on a Spring: A ball vibrates back and forth from the free end of an ideal spring having a force constant (spring constant) of 20 N/m. If the amplitude of this motion is 0.30 m, what is the kinetic energy of the ball when it is 0.30 m from its equilibrium position?
A. 0.00 J B. 0.22 J C. 0.45 J D. 0.90 J E. 1.4 J