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uppose instead it burns the fuel in two stages as follow ms a mass of 0.3mo of fuel. It then jettisons the first-stag a mass of 0.1mo, and then burns the remaining 0.3mo speed in this case, assuming the same value of vex thr

uppose instead it burns the fuel in two stages as follow ms a mass of 0.3mo of fuel. It then jettisons the first-stag a mass of 0.1mo, and then burns the remaining 0.3mo speed in this case, assuming the same value of vex thr

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a) A certain rocket carries 60% of its initial mass as fuel. (mass of fuel is 0.6mg) What is the rocket's final speed, accelerating from rest in free space, if it burns all its fuel in a single stage? Express the answer as a multiple of vex. b) Suppose instead it burns the fuel in two stages as follows: In the first stage it burns a mass of 0.3mo of fuel. It then jettisons the first-stage fuel tank, which has a mass of 0.1mo, and then burns the remaining 0.3mo of fuel. Find the final speed in this case, assuming the same value of vex throughout, and compare.
Transcribed Image Text:a) A certain rocket carries 60% of its initial mass as fuel. (mass of fuel is 0.6mg) What is the rocket's final speed, accelerating from rest in free space, if it burns all its fuel in a single stage? Express the answer as a multiple of vex. b) Suppose instead it burns the fuel in two stages as follows: In the first stage it burns a mass of 0.3mo of fuel. It then jettisons the first-stage fuel tank, which has a mass of 0.1mo, and then burns the remaining 0.3mo of fuel. Find the final speed in this case, assuming the same value of vex throughout, and compare.
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