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Q:

When is the maximum fuel consumption during the round trip to the Moon?

  • 1
    To overcome the gravity of the earth while flying
  • 2
    To overcome the gravity of the moon on landing on the moon
  • 3
    To overcome the gravity of the moon while flying from the moon
  • 4
    In re-entering the earth and overcoming the gravity of the earth in a soft landing
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Answer : 4. "In re-entering the earth and overcoming the gravity of the earth in a soft landing"
Explanation :

Maximum fuel is consumed when the spaceship has to reach the greatest velocity. We know that the velocity required to escape the gravitational pull of Earth is more than the velocity required to escape the gravitational pull of the Moon.

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