calculusxy
  • calculusxy
MEDAL!!! A rocket fired from its launching pad not only picks up speed, but its acceleration also increases significantly as firing continues. Why is this so? (Hint: about 90% of the mass of a newly launched rocket is fuel.)
Mathematics
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
calculusxy
  • calculusxy
@Mertsj
calculusxy
  • calculusxy
@triciaal
SolomonZelman
  • SolomonZelman
well, very simply. The fuel is also adding some weight. The more rocket flys the less fuel (and therefore the less weight) there is. (Especially, when flying straight up at start it loses not only fuel, but the (pretty much) entire bottom.)

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SolomonZelman
  • SolomonZelman
So the fuel goes out a lot, but not even that. The bottom big peace of the rocket goes off have you seen a rocket before flight and after it has flown apart from the ground
calculusxy
  • calculusxy
I have seen a rocket go but I was not that observant.
SolomonZelman
  • SolomonZelman
After the rocket has gone up, it is really not even a rocket. It is more like a mini rocket after it dropped a big peace at the rise...... They want you to say it is fuel, but I wouldn't focus on fuel as much as on that big falling off piece.
SolomonZelman
  • SolomonZelman
not that I am any relevant to rockets personally, but my grandpa is an engineeer.
SolomonZelman
  • SolomonZelman
good luck.
calculusxy
  • calculusxy
How would I relate it to the acceleration?
SolomonZelman
  • SolomonZelman
Oh, the acceleration is more related to fuel (rather than this big falling off peace).... As fuel is falling out more and more, the more it flies the more the speed increases (due to the fact that the weight it carries decreases). This increase in speed is acceleration.
calculusxy
  • calculusxy
thank you :)
SolomonZelman
  • SolomonZelman
What i like better though is to deal with position functions, velocity and acceleration (that are generated at any point x=a, based on the position function). (this is through differentiation)
SolomonZelman
  • SolomonZelman
Speed tells us how fast the rocket is moving, so speed is the slope of the position of the rocket. Acceleration tells us how fast the speed is increase/decreasing, so acceleration is the slope of speed. (if you will) won't overwhelm..... yw
SolomonZelman
  • SolomonZelman
don't worry about my 2 l;ast posts.
calculusxy
  • calculusxy
no problem :)
SolomonZelman
  • SolomonZelman
cu

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