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April 20, 2014

Homework Help: Physics

Posted by Tarbela Damme on Thursday, November 15, 2012 at 11:34am.

Neglect the gravity of the Moon, neglect atmospheric friction, and neglect
the rotational velocity of the Earth in the following problem. A
long time ago, Jules Verne, in his book From Earth to the Moon (1865),
suggested sending an expedition to the Moon by means of a projectile
fired from a gigantic gun.
(a) With what muzzle speed must a projectile be fired vertically from a
gun on the surface of the Earth if it is to (barely) reach the distance of
the Moon?

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