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Let's remember the context, ok? This is from a *conceptual....
physics* course in a *high school*, a course in which we do not treat,
when discussing projectile motion,
-> air resistance (including spin effects)
-> the curvature of the earth
-> the coriolis effect
-> the variation of 'g' with altitude
-> the uncertainties in position or momentum of either bullet
or any of the other subtleties my learned colleagues on the list
(correctly) point out. It's just constant downward acceleration with a
projectile launched horizontally, in vacuum (it is assumed), on a locally
flat earth (it is assumed). Remember also that the parent's (father's,
actually) objections centered around the assertion that