Question

The speed of a satellite orbiting Earth is given by v = √(GM/d). Escape speed from Earth is given by v = √(2GM/d), where in both cases G is the gravitational constant, M is Earth's mass, and d is distance from Earth's center. If a satellite's kinetic energy were doubled it could
A) orbit at twice its distance from Earth.
B) orbit at four times the distance from Earth.
C) escape Earth.

Answer

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