Multiple Choice
Planet Zero has a mass of 5.0 *1023 kg and a radius of 2.0 * 106 m. A space probe is launched vertically from the surface of Zero with an initial speed of 4.0 km/s. What is the speed of the probe when it is 3.0 *06 m from Zero's centre?
A) 3.0 km/s
B) 2.2 km/s
C) 1.6 km/s
D) 3.7 km/s
E) 5.9 km/s
Correct Answer:
Verified
Correct Answer:
Verified
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