The surface of Venus is hotter than the surface of Mercury because:
a) Venus is smaller than Mercury so it does not require so much energy to heat it.
b) of the volcanic activity that occurs on Venus.
c) Mercury's atmosphere prevents radiation from penetrating through to its surface.
d) Venus is closer to the Sun than Mercury.
e) Venus is more massive and is able to retain a thick atmosphere.
Answer: e) Venus is more massive and is able to retain a thick atmosphere.
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Consider the motion of a 1.00-kg particle that moves with potential energy given by U(x) = (-2.00 J ? m)/x + (4.00 J ? m2)/x2. Suppose the particle is moving with a speed of 3.00 m/s when it is located at x = 1.00 m
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(A) 3.0 kN
(B) 6.0 kN
(C) 9.4 kN
(D) 10.1 kN
Evaporation is when a gas is converted into a liquid
a. True b. False Indicate whether the statement is true or false