Chapter 4: Two-Dimensional Kinematics
Puzzles




1.  

"The Long Shot"
You probably know by now, from reading the book and from working the projectile motion problems, that the maximum range for a projectile is achieved when the projectile is fired at 45 degrees. This is true if the launch starts and ends at the same altitude.

What about if you fire at a target at a lower elevation? Is the optimal angle still 45 degrees? Is it more? Less?
Please answer this in words, not equations, briefly explaining how you obtained your answer.


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