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  1. K

    Why do we rotate along with the earth's rotation?

    I think it's the same thing that lets you toss a ball up and down on a moving vehicle, with out the ball streaking to the back. I don't know what that would be called, though.
  2. K

    What is the terminal velocity of a quarter?

    2 questions: What is the terminal velocity of a quarter? and How long does it take a quarter to accelerate to its terminal velocity?
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