Multiple Choice
Planet X-39 has a mass equal to 1/3 that of Earth and a radius equal to 1/3 that of Earth.If V is the escape speed for Earth,what is the escape speed for X-39?
A) V
B) 3V
C) 6V
D) V/9
E) 9V
Correct Answer:
Verified
Correct Answer:
Verified
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