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Law of Gravitation-find an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is negelcted.

The gravitational constant is given as G= 6.67428*10^-11 m^3 kg^-1 s^-2

Please give lots of details in answer

  • MATH HELP - ,

    I will be happy to critique your work.

    You need to relate initial KE to total gravitational PE from the surface of Earth to infinity.

  • MATH HELP - ,

    Can you please give me a website that would help answer this question

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