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  1. What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space?

    2. A.

     18 km/sec
    B.

     11.2 km/sec
    C.

     21 km/sec
    D.

     35 km/sec

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    Answer : Option B

    Explanation :

    The minimum velocity required for a rocket to overcome earth's gravity and travel into space is 11.2 km/sec.

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