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An object launched with escape velocity is intended to have just enough energy to reach an infinite distance from Earth. What is its final total energy (kinetic + potential) at this infinite distance?

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Question

An object launched with escape velocity is intended to have just enough energy to reach an infinite distance from Earth. What is its final total energy (kinetic + potential) at this infinite distance?

Options

  • Infinite

  • Zero

  • Equal to its kinetic energy

  • Negative

MCQ
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Solution

Zero

Explanation:

At an infinite distance, both the gravitational potential energy and the final kinetic energy become zero, making the total final energy zero.

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