Quote:
Originally Posted by humfrz
OK, some smart person ...... answer me this.
If the muzzle velocity of a projectile exiting the barrel of a TAC-50 was 805 m/s (meters per second) and it struck a target at the range of 3,540 meters, taking roughly 10 seconds from the rifle to the target, what was the velocity of the projectile upon impact at the target .... ??
Show your work ...... neatness will be counted.
humfrz
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If target is at the same altitude, in a vacuum the impact speed would be the same as the muzzle velocity, and time would be constrained to whatever it turns out to be. However, if you assume air resistance and/or altitude difference, with a time of flight of exactly 10 seconds things get more interesting. I think I actually had this same problem at some point at college. But it's far too late to start thinking about calculus. Some of us still have to work in the morning...
PS. Now I'm thinking about calculus.
. I'll solve it tomorrow. If I remember. Hopefully I forget all about it.