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A Spaceship of Mass M1 Circles a Planet (Mass =

Question 15

Multiple Choice

A spaceship of mass m1 circles a planet (mass = m2) in an orbit of radius r. How much energy is required to transfer the spaceship to a circular orbit of radius 3R?


A) Gm1m2/(2r)
B) ​ Gm1m2/(3r)
C) ​ Gm1m2/(4r)
D) ​ Gm1m2/(6r)
E) 3Gm1m2/(4r)

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