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nathalie0918

  • one year ago

Tiffany kicks a soccer ball off the ground and in the air, with an initial velocity of 28 feet per second. Using the formula H(t) = -16t2 + vt + s, what is the maximum height the soccer ball reaches? 15.6 feet 14.1 feet 13.5 feet 12.3 feet

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  1. triciaal
    • one year ago
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    v = 28 maximum height at t/2 total time t one approach you can complete the square to find s |dw:1439065778011:dw||dw:1439065914103:dw|

  2. nathalie0918
    • one year ago
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    so which of the answers is it on top because you had put the answer in a fraction?

  3. triciaal
    • one year ago
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    I just found the time, t need to put in H(t) to get the height

  4. triciaal
    • one year ago
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    not sure if I have an error in my calculation

  5. triciaal
    • one year ago
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    to you see the approach i was using?

  6. triciaal
    • one year ago
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    when you complete the square the vertex the maximum at time t/2

  7. nathalie0918
    • one year ago
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    yeah I kind of see where you were going with it

  8. nathalie0918
    • one year ago
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    thanks for your help to find t any way

  9. triciaal
    • one year ago
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    |dw:1439066530480:dw||dw:1439066783617:dw|

  10. triciaal
    • one year ago
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    you are welcome

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spraguer (Moderator)
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