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anonymous

  • 5 years ago

Find the exact time it takes a stone to reach the ground if it is dropped from a bridge that is 200 ft. high. --- "The time t it takes an object dropped from a height h to reach the ground is given by the equation t=(square rooted)h/16

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  1. anonymous
    • 5 years ago
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    put h = 200ft in your equation and get t.

  2. anonymous
    • 5 years ago
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    I did that but i think i got the wrong answer, so what did you get?

  3. anonymous
    • 5 years ago
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    I got the answer 3.53 but got it wrong, so...

  4. anonymous
    • 5 years ago
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    ??

  5. anonymous
    • 5 years ago
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    can you put up your equation more clearly? is it t = sqrt(h/16) or t = sqrt(h)/16

  6. anonymous
    • 5 years ago
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    t=sqrt(h/16)

  7. anonymous
    • 5 years ago
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    and h is in feet?

  8. anonymous
    • 5 years ago
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    yes

  9. anonymous
    • 5 years ago
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    then it has to be t = sqrt(200/16) = 3.5 seconds

  10. anonymous
    • 5 years ago
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    wow, so i just added the extra 3 at the end and got it marked wrongg...

  11. anonymous
    • 5 years ago
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    or actually 3.5 unit time measure.

  12. anonymous
    • 5 years ago
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    yeah i said 3.53 seconds

  13. anonymous
    • 5 years ago
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    the correct answer is 3.53553391 unit time measure.

  14. anonymous
    • 5 years ago
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    sigh. no one actually would say that though , some "real life problem'. i dislike my teacher.

  15. anonymous
    • 5 years ago
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    you shouldn't have said seconds. you probably got marked wrong since you answered in seconds. ask your teacher why they marked it wrong. Because your answer is correct.

  16. anonymous
    • 5 years ago
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    alright.

  17. anonymous
    • 5 years ago
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    unless the problem specified that t was in seconds, you shouldn't have answered in seconds.

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