Question
How much energy will be necessary for making a body of 500 kg escape from the earth ?[g = 9.8m / s², radius of earth =6.4 x 10⁶ m]
Options :
About 9.8 x 10⁶ J
About 6.4 x 10⁸ J
About 3.1 x 10¹⁰ J
About 27.4 x 10¹² J
Answer :
About 3.1 x 10¹⁰ J
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