Re: 45 degree is optimal angle for firing for distance?
transverse and coriolis forces do have to be taken into account in 3 dimensional situations
the original problem reminds me of high school physics. we had an interesting multi-part problem where we had a cannon placed on a hill and had to hit a target 50m or so below the altitude of the cannon.
we had to do things like get the optimal angle for distance, and also figure out how high of a wall we had to build if were were the "target" to just prevent attack, stuff like that.
the second question about "other forces" reminds me of this hardcore mechanics class in college. i had flashbacks of multiple pulley and flywheel systems, mm.. lagrangian mechanics
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