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A kangaroo jumps to a vertical height of 242 cm. How long (in seconds) was the kangaroo in the air?

  • physics -

    s = 4.9t^2
    .242/4.9 = t^2
    t = .22 sec
    That's how long it took to jump up. After landing back on earth, total time in the air was .44 sec

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