[ExI] scienceblind question

[John Clark]

On Mon, Oct 16, 2017 at 3:21 PM, William Flynn Wallace <foozler83 at gmail.com>
wrote:

​> ​
> Example in the book:  drop a bullet at the same instant that you shoot a
> bullet with the barrel parallel to the ground, and the bullets will hit the
> ground at the same time.
> I had trouble with this:  it would seem that if you used more gunpowder in
> the bullet it would go farther,
>

​If you add more gunpowder the bullet will go faster and thus it will go
further in the horizontal direction in the time available, but if the is
barrel parallel to the ground then the time available will remain the same,
that is the time it takes for the bullet to fall vertically from the gun
barrel to the ground. To get maximum horizontal range the gun should be
fired at a 45 degree angle, it won't give you maximum time of flight (that
would be 90 degrees) or maximum horizontal speed (that would be 0 degrees
parallel to the ground) but it would be the best compromise between the two
factors to get the most range.

 John K Clark


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