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REPORT COPYRIGHT VIOLATION IN REPLY
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Message Subject
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NASA Thrust Equation gets destroyed.
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Poster Handle
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syncro |
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Post Content
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...What you think is irrelevant. If your reasoning based on your interpretation of scientific principles leads you to a DEMONSTRABLY wrong conclusion than your reasoning or your understanding of the relevant scientific principles (or both) must be wrong too. In science observation beats theory every time. Rocket propulsion works in space, why it does is secondary. You not understanding the why, or being very confused about it, doesn't change the facts.  Quoting: Halcyon Dayz, FCD Would be nice if you (or anyone else) can actually provide an experimental proof that rocket propulsion works in a vacuum. In theory, anything works. Warp engines on USS Enterprise also work...in theory. However, there isn't even a SINGLE PIECE of experimental evidence that a rocket engine actually WORKS in a vacuum, and there is propulsion. It's all THEORY, and nothing more. And you BELIEVE it to be FACT, even if there is zero proof. That is RELIGION. Not SCIENCE. You, my friend, are a religious nut, believing in things that have no proof. At 6:00 it shows frame by frame the start of the release of the compressed gas in the soda. The can moves before anything can touch the wall. Near vacuum is confirmed as the drone cannot fly with propeller lift. It was the vacuum that burst the can. However, at 4:50 you can see the can top was blown off. The pressure pushed off the can top as it was blown off the can. Like firing a gun, yes there is recoil because pressure builds up between the gun and bullet. The pressure pushes the bullet out and in turn pushes the gun. A rocket is like a gun firing a blank. The powder burns and moves out of the barrel only pushing off the air (assuming the gun powder was not encased in anything). Now if the can stayed in one piece and the top stayed attached, the can wouldn’t have moved. :dudewhat There is going to be recoil thrust firing a blank proportional to the mass and velocity of whatever is being expelled by it, in space or not, from conservation of momentum, not pushing off air. The soda and co2 gas have mass just like the can top.
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