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saifoo.khan

  • 2 years ago

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  1. saifoo.khan
    • 2 years ago
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    https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-ash4/426589_376766799063405_1225792641_n.jpg

  2. mukushla
    • 2 years ago
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    8?

  3. Spacelimbus
    • 2 years ago
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    \[f(x) =125 \left( \frac{2}{5}\right)^x \] or am I too blue-eyed about this problem ?

  4. saifoo.khan
    • 2 years ago
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    How? Why?

  5. ghazi
    • 2 years ago
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    3.2

  6. Yahoo!
    • 2 years ago
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    3.2

  7. Spacelimbus
    • 2 years ago
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    yes, 3.2 for x=4

  8. Spacelimbus
    • 2 years ago
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    except of course this is something physical I fail to understand (-:

  9. mukushla
    • 2 years ago
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    lol...everybody got it except me..:D

  10. ghazi
    • 2 years ago
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    every time it bounces 2/5 of it's original height..but first bounce is counted when it went 125 inches

  11. Yahoo!
    • 2 years ago
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    125 *(2/5)^4

  12. ghazi
    • 2 years ago
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    and after that you need to count for four more

  13. Yahoo!
    • 2 years ago
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    @saifoo.khan Do u have the answer key

  14. saifoo.khan
    • 2 years ago
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    why are we inserting 4? Why not 3?

  15. saifoo.khan
    • 2 years ago
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    @Yahoo! , nope.

  16. saifoo.khan
    • 2 years ago
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    Because the first bounce has already happened. We are left with 3 of them now?

  17. Spacelimbus
    • 2 years ago
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    hmm, you have a point there @saifoo.khan

  18. saifoo.khan
    • 2 years ago
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    So @mukushla we correct? :D

  19. ghazi
    • 2 years ago
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    because question asked for four bounces after the ball dropped

  20. saifoo.khan
    • 2 years ago
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    "After the first bounce " it reaches the height of 125 @ghazi

  21. Yahoo!
    • 2 years ago
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    Yup.....@mukushla was correct

  22. Spacelimbus
    • 2 years ago
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    Yes I guess my interpretation of that text is flawed it is x=3, which are four bounces, for x=0 initial bounce at a height of 125

  23. saifoo.khan
    • 2 years ago
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    Yep!

  24. saifoo.khan
    • 2 years ago
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    So medals for Muk?

  25. ghazi
    • 2 years ago
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    agreed...!!

  26. Spacelimbus
    • 2 years ago
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    Funny formula in general, according to it the ball can do more than one hundred bounces :D Clearly a real world phenomenon!

  27. saifoo.khan
    • 2 years ago
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    Hehe. Thanks all.

  28. ghazi
    • 2 years ago
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    not only hundred ...it can go infinite theoretically

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