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In 1865, Jules Verne proposed sending men to the Moon by firing a space capsule from a 220-m-long cannon with final speed of 10.97 km/s. What would have been the unrealistically large acceleration experienced by the space travelers during their launch? (A human can stand an acceleration of 15g for a short time.)
Compare your answer with the free-fall acceleration, 9.80 m/s2 (i.e. how many times stronger than gravity is this force?).

  • Physics -

    change 10.97km/s to 10970m/s geepers that is fast.


    a=1/2 (10979)^2 /(220*9,8) g's

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