Answer: A single-stage rocket is fired from rest from a

Chapter 8, Problem 65E

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QUESTION:

Problem 65E

A single-stage rocket is fired from rest from a deep-space platform, where gravity is negligible. If the rocket burns its fuel in 50.0 s and the relative speed of the exhaust gas is vex = 2100 m/s, what must the mass ratio m0/m be for a final speed v of 8.00 km/s (about equal to the orbital speed of an earth satellite)?

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QUESTION:

Problem 65E

A single-stage rocket is fired from rest from a deep-space platform, where gravity is negligible. If the rocket burns its fuel in 50.0 s and the relative speed of the exhaust gas is vex = 2100 m/s, what must the mass ratio m0/m be for a final speed v of 8.00 km/s (about equal to the orbital speed of an earth satellite)?

ANSWER:

Solution 65E

The relation between the mass ratio and the final speed (v)  is given by,

…..(1) , here is the gas exhaust speed.

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