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zhuk777 Group Title

Please help!!!!! the distance a body falls varies directly as the square of the time that it falls. If it falls 867 meters in 17 seconds how far will it fall in 4 seconds? Please show me how you did this! I need to know how to do it Thank you!

  • 2 years ago
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  1. shivamsinha Group Title
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    Hi, I think it is as follows: If d= distance(m), and k= constant, and t = time (sec) Using the info above, it is true that d=kt^2 (where ^2 means squared) Initially, using the figures above, 867 = k x 17^2 = k x 289 Therefore k = 3. So if t = 4, you have d = 3 x 4^2 = 3 x 16 = 48m. Hope this helps :D

    • 2 years ago
  2. zhuk777 Group Title
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    Oh thank you so very much!!!! :) I have one more problem if you can help

    • 2 years ago
  3. shivamsinha Group Title
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    yea sure post it !! :D

    • 2 years ago
  4. shivamsinha Group Title
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    as a new question!!

    • 2 years ago
  5. zhuk777 Group Title
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    ok yellows very inversely as grays cubed. When there are 270 yellows there are 29 grays how many yellows are present when there are 6 grays?

    • 2 years ago
  6. zhuk777 Group Title
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    ok

    • 2 years ago
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