Multiple Choice
A ball of mass 2 kg is launched into a circular orbit close to the Earth's surface.Given the mass of Earth is M = 5.98 * 1024 kg and its radius is 6.37 * 106 m.Ignoring air resistance,the energy required to launch the ball from rest into the orbit is
A) 3.14 * 107 J.
B) 6.25 * 107 J.
C) 9.8 * 107 J.
D) 11.5 * 108 J.
E) 6.28 * 109 J.
Correct Answer:

Verified
Correct Answer:
Verified
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