A satellite with kinetic energy
A satellite with kinetic energy Ek is revolving round the earth in a circular orbit. How much more kinetic energy should be given to it so that it may just escape into outer space
(a) Ek (b) 2 Ek
(c) 1/2 Ek (d) 3 Ek
Answer: a
(11)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)