In 1865, Jules Verne wrote a story in which three men went to the Moon by means
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In 1865, Jules Verne wrote a story in which three men went to the Moon by means of a shell shot from a large cannon sunk in the ground.
(a) What muzzle speed must the cannon have in order for the shell to reach the Moon?
(b) If the acceleration was constant throughout the muzzle, how long would the muzzle need to be in order to achieve this speed without exposing the men to an acceleration greater than \(6 g\) ?
(c) Argue whether this launch method is practical or not.
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