Maximizing Rocket Thrust: Doubling Velocity and Tripling Fuel Burn Rate

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SUMMARY

The discussion centers on the relationship between exhaust velocity and fuel burn rate in rocket propulsion. By doubling the relative exhaust velocity (V) to 2 and tripling the fuel burn rate (dM/dt) to 3, the thrust increases to 6 times the original value. This conclusion is derived from the thrust equation Thrust = V * (dM/dt), confirming that the correct answer is option D, which states that thrust increases 6 times.

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If a rocket doubles it's relative exhaust velocity while do tripling the "burn rate" of fuel, the thrust...
A) doubles
B) Triples
C) increases 5 times
D) increases 6 times
E) none of the above!



Thrust=dv/dt=lVe(dM/dt)l


I just plugged in 2 for V and 3 for dM and 1 for dt giving me 6
 
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Looks good to me.
 

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