PhysicsMedium159×since 2002Q7179The mass of a spaceship is 100010001000 kg.kg.kg. 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 640064006400 kmkmkm respectively. The required energy for this work will be:A6.4×1011 6.4 \times {10^{11}}\,6.4×1011 JoulesB6.4×108 6.4 \times {10^8}\,6.4×108 JoulesC6.4×109 6.4 \times {10^9}\,6.4×109 JoulesD6.4×1010 6.4 \times {10^{10}}\,6.4×1010 JoulesCheck answerSkip