Multiple Choice
A huge cannon is assembled on an airless planet having insignificant axial spin.The planet has a radius of 5.00 × 106 m and a mass of 3.95 × 1023 kg.The cannon fires a projectile straight up at 2000 m/s.An observation satellite orbits the planet at a height of 1000 km.What is the projectile's speed as it passes the satellite? (G = 6.67 × 10-11 N ∙ m2/kg2)
A) 1500 m/s
B) 1380 m/s
C) 1610 m/s
D) 1280 m/s
Correct Answer:
Verified
Correct Answer:
Verified
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