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At liftoff, an advanced rocket has a total mass (payload + fuel) of 1.8 x 105...

At liftoff, an advanced rocket has a total mass (payload + fuel) of 1.8 x 105 kg.  If the rocket burns fuel at a rate of 3000 kg/s with an exhaust velocity of 4500 m/s, what is its acceleration 12.0 s after liftoff?

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Answer #1

M0 = 1.8 x 105 kg

r = 3000 kg/s

u = 4500 m/s

t = 12 s

                                                   

                                                   

                                                   

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