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rocket launched from a 90 meter high building, upward speed of 20 meters per second. what will it's height be after 3 seconds.
given the polynomial h + vt -4.9t^2

90 +(20) (3) - 4.9 (3)^2
Is the answer 130.4 ?

  • check answer -

    90 + 60 - 4.9(9) = 105.9

    how did you get 130.4 ?

  • check answer -

    I will go back and check my numbers. Thanks for your help.

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