Compared to Saturn, Jupiter is about
A) 100 times more massive.
B) twice the diameter, but less dense.
C) half as dense, but the same mass since it is larger.
D) three times more massive and denser.
E) half as massive and denser.
D
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Exclusion Principle: How many 3d electron states can an atom have?
A. 0 B. 4 C. 6 D. 8 E. 10
When Jim and Rob ride bicycles, Jim can only accelerate at three quarters the acceleration of Rob. Both start from rest at the bottom of a long straight road with constant upward slope. If Rob takes 5.0 minutes to reach the top, how much earlier should Jim start to reach the top at the same time as Rob?
A. 25 s B. 40 s C. 46 s D. 55 s E. 75 s
Various observations suggest there may be recent or even continuing volcanic activity on Venus. Which of the following has NOT been observed?
A) bursts of radio energy, similar to those produced by lightning discharges occurring in the plumes of erupting volcanoes on Earth B) spacecraft detection over a period of days of flowing lava on Venus C) fluctuations in the level of sulfur dioxide in the planet's atmosphere D) surface features resembling rift valleys on Earth E) larger shield volcanoes than Hawaii
The nearest star is 1 ly from the solar system
a. True
b. False
Indicate whether the statement is true or false