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Gravitation question

2012 · Shift 0 · Q57
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Gravitation question

2012 · Shift 0 · Q57

JEE MainPhysicsGravitationMCQ+4 / −1
The mass of a spaceship is 1000kg.1000kg.1000kg. It is to be launched from the earth's surface out into free space. The value of ggg and RRR(radius of earth ) are 10 m/s210\,m/{s^2}10m/s2 and 6400km6400km6400km respectively. The required energy for this work will be:
  1. A
    6.4×1011 6.4 \times {10^{11}}\,6.4×1011 Joules
  2. B
    6.4×108 6.4 \times {10^8}\,6.4×108 Joules
  3. C
    6.4×109 6.4 \times {10^9}\,6.4×109 Joules
  4. D
    6.4×1010 6.4 \times {10^{10}}\,6.4×1010 Joules
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