Moon's Acceleration About Earth · PhysicsBowl 2014 #30

Physics · mechanics

Problem

Considering only the Moon-Earth system (ignore any influence of the Sun), which one of the following best expresses the magnitude of the Moon's acceleration about the Earth? (A) 3×10−13 \times 10^{-1} ms2\frac{m}{s^2} (B) 3×10−23 \times 10^{-2} ms2\frac{m}{s^2} (C) 3×10−33 \times 10^{-3} ms2\frac{m}{s^2} (D) 3×10−43 \times 10^{-4} ms2\frac{m}{s^2} (E) 3×10−53 \times 10^{-5} ms2\frac{m}{s^2}

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