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      Question

      What will happen if an object is launched into space at a

      speed of 8 km/sec?
      A The object will go into space Correct Answer Incorrect Answer
      B It will return to Earth Correct Answer Incorrect Answer
      C It will enter Earth's orbit Correct Answer Incorrect Answer
      D It will burst Correct Answer Incorrect Answer

      Solution

      Earth's escape velocity is 11.2 km/sec, which is the minimum speed required for an object to completely escape Earth's gravitational pull. Since 8 km/sec is below this threshold, the object would not have sufficient velocity to escape Earth's gravity and would eventually return to Earth.

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