Questions
A satellite with kinetic energy E is revolving round the earth in a circular orbit. The minimum additional kinetic energy required for it to eecape into outer space is
a
2E
b
2 E
c
E/2
d
E
detailed solution
Correct option is D
Initial kinetic energy =ESo initial total energy = - EIf additional kinetic energy is K' , total energy will be (- E +K' ). Therefore ( - E + K') =0 ⇒K'=ETalk to our academic expert!
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