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Discussion :: GATE Aeronautical Engineering

  1. The propellant in a single stage sounding rocket occupies 60% of its initial mass. If all of it is expended instantaneously at an equivalent exhaust velocity of 3000 m/s, what would be the altitude attained by the payload when launched vertically? 
    [Neglect drag and assume acceleration due to gravity to be constant at 9.81 m/s2.]
    2. A.
    315 km
    B.
    335 km
    C.
    365 km
    D.
    385 km

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    Answer : Option D

    Explanation :

    -NA-

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