What are the most common hydrogen compounds in the atmospheres of the jovian planets?
a. water (H2O), methane (CH4), ammonia (NH3)
b. water and carbon dioxide (CO2)
c. water and carbon monoxide (CO)
d. sulfur dioxide (SO2) and propane (C3H8)
e. none of the above
Ans: a. water (H2O), methane (CH4), ammonia (NH3)
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Addition by 1. Components: Three vectors, src="https://sciemce.com/media/4/ppg__cp1pbb0313192044__f15g1q37g6.jpg" style="vertical-align: -5.0px;" />?-5.50 m2.50 m
A. 5.50 m
B. 13.0 m
C. 11.1 m
D. 7.00 m
E. 2.00 m
, 
, and 
, have the components shown in the table. What is the magnitude of the resultant of these three vectors??x componenty component
?3.50 m-4.50 m
?2.00 m0.00 m
Some asteroids have peculiar orbits that do not obey Kepler's laws.
Answer the following statement true (T) or false (F)
An extraterrestrial observer would pick up the strongest radio signals when:
A) the Earth was at perihelion. B) North America was either rising or setting for the observer. C) North America was directly in front of the observers. D) at new or full Moon. E) Saturday Night Live is on.
RC Circuits: A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the potential difference V across the capacitor as a function of time t?
A. A B. B C. C D. D E. E