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anonymous

  • one year ago

While visiting the Planet Janet, Garrett tosses a baseball up into the air from ground level at an initial velocity of 32 feet per second. The distance the ball is from the ground, S(t) , can be modeled by the function:

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    lol no it can't but that is ok, you are supposed to use \[h(t)=-8t^2+32t\]

  3. anonymous
    • one year ago
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    \[V_0=32\] you are told, and ground level means \(h_0=0\)

  4. anonymous
    • one year ago
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    is there another part to this?

  5. anonymous
    • one year ago
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    oh yeah sorry "how long does it take to reach maximum height?"

  6. anonymous
    • one year ago
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    oh ok, that is at the vertex

  7. anonymous
    • one year ago
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    vertex is always \(-\frac{b}{2a}\) which in your case is \[-\frac{32}{2\times (-8)}\]

  8. anonymous
    • one year ago
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    aka 2

  9. anonymous
    • one year ago
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    gotcha... so it'd be 2 seconds?

  10. anonymous
    • one year ago
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    yup

  11. anonymous
    • one year ago
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    thanks love.. i might have another question soon :)

  12. anonymous
    • one year ago
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    kk

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spraguer (Moderator)
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