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  • this man is a genius.

    PistoleroGordito 3 months ago

  • it's amazing how he draws the dot lines..........!!

    ishtiak90 4 months ago 3

  • @ 40:22 As the Pendulum is falling back to earth in the shuttle, it is in theory; already swinging, the period is the time it takes to do one orbit and the altitude is the "length of string". it's mass will eventually hit the earth, therefore it is not and will not sit there forever.

    Torebasan 5 months ago

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