1. Nov 17, 2005 #1

   tman1

   

   My question is, derive an equation to find the maximum range of a projectile thats not on level ground. I am lost and i did attempt this, by making a diagram and subbing in what i thought i would need to use, but i still have not come up with the answer. plz help

    

   tman1, Nov 17, 2005
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3. Nov 17, 2005 #2

   The Bob

   

   I think the best thing you can do is post whatever you have done. I could suggest a lot but I don't know what is making you go wrong.
   
   The Bob (2004 ©)

    

   The Bob, Nov 17, 2005
4. Nov 18, 2005 #3

   andrevdh

   

   Homework Helper

   Substitute
   [tex]y=R\ sin\alpha[/tex]
   and
   [tex]x=R\ cos\alpha[/tex]
   in the parabolic equation for the projectile.
   The range will then be a function of [itex]\theta[/itex].The turning point of a function occurs where the derivative is zero...

    

   Last edited: Nov 29, 2006

   andrevdh, Nov 18, 2005

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