The velocity with which a projectile must be fired to escape from the earth does not depend on ------

Options :
  1. mass of earth
  2. radius of earth
  3. both of the above
  4. mass of the projectile


Answer and Explanation :-

Answer: Option 4

Explanation:

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Virtue comes through contemplation of the divine, and the exercise of philosophy. But it also comes through public service. The one is incomplete without the other. Power without wisdom is tyranny wisdom without power is pointless.
-Iain Pears The Dream of Scipio