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pbumper1
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Homework Statement
A 4200kg rocket is to be accelerated at 4.0g at take-off from the Earth.
If the gases can be ejected at a rate of 28 kg/s, what must be their exhaust speed?
Homework Equations
Fthrust=mv2-mv1/t2-t1
The Attempt at a Solution
Multiplied 4200kgx4x9.8/28kg/s=-5900