Gravitation Question 266

Question: 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 [KCET (Engg./Med.) 2001]

Options:

A) [Ek]

B) 2[Ek]

C) [12Ek]

D) 3[Ek]

Show Answer

Answer:

Correct Answer: A

Solution:

Binding energy = ? kinetic energy And if this amount of energy [(Ek)] given to satellite then it will escape into outer space



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