Mars' average distance from the Sun is 1.5 AU and the Earth's is 1 AU, so
What will be an ideal response?
Mars should take more than 1 year to orbit the Sun.
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The Chandrasekhar limit defines the ____
a. maximum mass of a white dwarf b. lifetime of a white dwarf c. temperature for carbon fusion d. separation between medium- and high-mass stellar evolution e. stellar surface temperature needed to ionize a planetary nebula
A 5.0-kg object is suspended by a string from the ceiling of an elevator that is accelerating downward at a rate of 2.6 m/s2. What is the tension in the string?
a. 49 N b. 36 N c. 62 N d. 13 N e. 52 N
The planet whose pole was facing the Sun when Voyager 2 approached in 1986 was
A) Uranus. B) Neptune. C) Saturn. D) Jupiter. E) Mars.
The average molecular translational kinetic energy of a molecule in an ideal gas is
A.
kBT.B.
RT.C.
kBT.D.
RT.E.
kBT, where n = number of internal degrees of freedom.