A rocket science problem Handwritten solution.
This is a handwritten solution that i made it for a Physics problem about rocket science, and to be more specific, a problem about Thrust and conservation of energy.
This type of problems are fundamental to understand properly the changes of mass and the momentum that experiment a Rocket when it consumes its fuel when it takes off.
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I think this does not do a good job of illustrating the key concepts here. For a start, why does Thrust = - Vexh (dm/dt) ?
I know the answer but it isn't really helping anybody just stating "As we know" when other readers whom I guess this is intended for don't know. To those who do, it is trivial to those who don't, they're non-the-wiser.