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Extreme Long Range Hunting & Shooting (ELR)
How High do bullets go in their flight trajectory
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<blockquote data-quote="entoptics" data-source="post: 1823740" data-attributes="member: 104268"><p>Both are right and both are wrong...<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>As mentioned, both scenarios have the same acceleration from gravity. But unless you have your barrel horizontal, you are indeed effectively "throwing" the rifle bullet into the air vs dropping the hand held bullet straight down, and thus not dropping it from 3 feet, but some larger amount.</p><p></p><p>Regarding the air resistance, the rate at which the bullet falls is only dependent on the molecules in the vertical direction. Acceleration is a vector, and has a specific direction as well as magnitude. For the two bullets, the falling acceleration is the same (air resistance upward component, and gravity downward component).</p><p></p><p>All that being said, for the experiment to actually work you'd need to do the near impossible...</p><p></p><p>The dropped bullet would have to be in the same horizontal orientation and spinning at the same rate as the shot bullet (150,000ish rpm), so the air resistance (horizontal B.C. so to speak) would be the same. The rifle barrel would have to be perfectly horizontal, so no up/down vector is introduced. I'm still not sure it would work, as there's probably going to be some sort of vertical acceleration in the fired bullet due to aerodynamic lift/drop, if the bullet isn't pointed perfectly straight into the oncoming air.</p><p></p><p>Too bad MythBusters was cancelled...<img class="smilie smilie--emoji" loading="lazy" alt="😥" title="Sad but relieved face :disappointed_relieved:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f625.png" data-shortname=":disappointed_relieved:" /></p></blockquote><p></p>
[QUOTE="entoptics, post: 1823740, member: 104268"] Both are right and both are wrong...:) As mentioned, both scenarios have the same acceleration from gravity. But unless you have your barrel horizontal, you are indeed effectively "throwing" the rifle bullet into the air vs dropping the hand held bullet straight down, and thus not dropping it from 3 feet, but some larger amount. Regarding the air resistance, the rate at which the bullet falls is only dependent on the molecules in the vertical direction. Acceleration is a vector, and has a specific direction as well as magnitude. For the two bullets, the falling acceleration is the same (air resistance upward component, and gravity downward component). All that being said, for the experiment to actually work you'd need to do the near impossible... The dropped bullet would have to be in the same horizontal orientation and spinning at the same rate as the shot bullet (150,000ish rpm), so the air resistance (horizontal B.C. so to speak) would be the same. The rifle barrel would have to be perfectly horizontal, so no up/down vector is introduced. I'm still not sure it would work, as there's probably going to be some sort of vertical acceleration in the fired bullet due to aerodynamic lift/drop, if the bullet isn't pointed perfectly straight into the oncoming air. Too bad MythBusters was cancelled...😥 [/QUOTE]
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How High do bullets go in their flight trajectory
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