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Q. What will happen to a ball if it is dropped from a spacecraft revolving around the earth at a height of 120 km?

  • (A) It will go very far in the space
  • (B) It will fall down to the earth gradually
  • (C) If will move with the same speed tangentially to the spacecraft
  • (D) It will continue to move with velocity v along the original orbit of spacecraft
  • Correct Answer - Option(D)
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  • Filed under category Physics
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Explanation by: Admin

If a ball is dropped from a spacecraft revolving around the earth at a height of 120 km, it will continue to move with velocity v along the original orbit of spacecraft. As the ball possess same initial tangential speed as that of space craft. So, it also feels the condition of weightlessness.

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