Sort each of the planetary properties below based on whether they apply to some, all, or none of the four jovian planets in our solar system.
Answer:
Jupiter and Saturn only:
-interior is mostly liquid or metallic hydrogen
-composed mostly of hydrogen and helium
Uranus and Neptune only:
-blue color because of methane
-composed mostly hydrogen compounds
All four jovian planets:
-approximately 10 Earth-mass core
-orbited by rings of ice and rock
-magnetic field stronger than Earth's
-strong atmospheric winds and storms
No jovian planets:
-solid surface under a thick atmosphere
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A) both objects must be negatively charged. B) both objects must be positively charged. C) one object must be negatively charged and the other object must be positively charged. D) one of the objects could be electrically neutral. E) None of the above statements are absolutely true.
An electron has been accelerated by a potential difference of 100 V. If its position is known to have an uncertainty of 1 nm, what is the percent uncertainty (?p/p × 10^0) of the electron?
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The average distance from Earth to the Sun is about _____
A) 23 million miles B) 53 million miles C) 73 million miles D) 93 million miles