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प्रश्न
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?
पर्याय
Infinite
Zero
Equal to its kinetic energy
Negative
MCQ
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उत्तर
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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