# A satellite with kinetic energy E_k is revolving round the earth in a circular orbit. How much more kinetic energy should the given to it so that it may just escape into outer space

Q: A satellite with kinetic energy Ek is revolving round the earth in a circular orbit. How much more kinetic energy should the given to it so that it may just escape into outer space

(a) $E_k$

(b) $2 E_k$

(c) $\frac{1}{2} E_k$

(d) $3 E_k$