Because of its small size, the surface of Pluto was found by New Horizons to be old and geologically dead
Indicate whether the statement is true or false
FALSE
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Suppose you and a friend have precise clocks. You are on the ground floor of a tall building and your friend is on the roof. Which of the following statements is true?
A) You will see your friend's clock ticking faster than yours, and she will see your clock ticking slower than hers. B) You will see your friend's clock ticking faster than yours, and she will see your clock ticking faster than hers. C) You will see your friend's clock ticking slower than yours, and she will see your clock ticking slower than hers. D) You will see your friend's clock ticking slower than yours, and she will see your clock ticking faster than hers.
Which of the following is a main sequence star hotter than the Sun? (Note: the Sun is a G2V star.)
A. O2II B. G1II C. K2V D. G1V E. G2III
The energy of a photon that ionizes a hydrogen atom from the ground state will be _________ the energy of a photon that ionizes a different hydrogen atom from the first excited state (n – 2)
a. larger than b. smaller than c. equal to d. twice
Molar Specific Heats: A certain ideal gas has a molar specific heat at constant pressure of 7R/2. What is its molar specific heat at constant volume?
A. 5R/2 B. 3R/2 C. 8R D. 9R/2 E. 6R