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- Thread starter tman1
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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.tman1 said:

The Bob (2004 ©)

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andrevdh

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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...

[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...

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