Wednesday, July 7, 2010

Weekly Challenge 2: Projectile Motion: 8/7/2010

A projectile is fired from the top of a tower whose height is unknown. It is found that for a  projection speed of 10m/s , the maximum range is obtained at a projection angle of 30o.What is the maximum range (i.e. from foot of the tower to the landing point on ground) and what is the height of the Tower?
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6 comments:

  1. AnonymousJuly 7, 2010 at 10:53 PM

    root3*5+(root5/2+20H)/2

    ReplyDelete
  2. AnonymousJuly 8, 2010 at 9:54 AM

    But H itself is unknown. You have to find H

    ReplyDelete
  3. AnonymousJuly 8, 2010 at 10:08 PM

    range is 5/root3
    height of tower is 20/9 mtrs

    ReplyDelete
  4. AnonymousJuly 9, 2010 at 10:15 PM

    height of tower is 5/4 ...
    range is 5/root6

    ReplyDelete
  5. Ambarish SrivastavaJuly 10, 2010 at 12:51 AM

    Please do let me know your name so that in case your answer is correct, I can place your name in list of winners.
    Regards,
    Ambarish

    ReplyDelete
  6. Ambarish SrivastavaJuly 12, 2010 at 8:36 AM

    The final solution can be seen here. None of the submitted answers were correct.

    http://askambarish.blogspot.com/2010/07/solution-to-weekly-challenge-2.html

    ReplyDelete

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