A ball is shot into the air. It's height , h in m

A ball is shot into the air. It's height , h in metres after t seconds is modeled by h=-4.9t2 + 30t +1.6. How long to 2 decimal places will it take the ball to reach a height of 35m?
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Answers:

  • * **** ** **** into *** *** It's ****** * ** ****** ***** * ******* ** ******* by ******* + 30t *** How **** ** * decimal ****** **** ** take *** **** ** ***** * ****** ** *****
    ***
    ******
    **
    the ball ** **** t is ***** *** h= 49 t^2
    +
    30t * 16 ** *** given height
    *
    35 * and we **** to **** the ***** ** **** ****** ***** *
    ***
    * ** *
    35
    49t^ + 30t * 16 – **...
    Attached: Ball Height.docx

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