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The mass of a space ship is 1000 kg It is to be lauched from earth's surface out into free space the value of g and R (radius of earth) are 10ms-2 and 6400km respectively the required energy for this work will be

  1. 6.4cross times 10 to the power of 11
  2. 6.4cross times 10 to the power of 8
  3. 6.4cross times 10 to the power of 9
  4. 6.4cross times 10 to the power of 10

The correct answer is: 6.4cross times 10 to the power of 10

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