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1. |
A planet as a radius R and density P . The escape velocity of this planet is _____ |
A. | directly proportional to P |
B. | inversely proportional to P |
C. | directly proportional to P<sup>1/2</sup> |
D. | inversely proportional to P<sup>1/2</sup> |
Answer» D. inversely proportional to P<sup>1/2</sup> | |