The speed of the exhaust gas from a modern rocket is about 2.5 km./s. The motor and body of the rocket are necessarily heavy. and the ratio of the initial mass to final mass, including the payload, is typically 5. Estimate the speed of such a rocket if all the fuel is burnt in 20 seconds. (Note: You should derive all the equation(s) used in your solution, except for well-known Newton's Laws. Otherwise, it is not excepted.)

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The speed of the exhaust gas from a modern rocket is about 2.5 km./s. The motor and body of the rocket are necessarily heavy, and the ratio of the initial
mass to final mass, including the payload, is typically 5. Estimate the speed of such a rocket if all the fuel is burnt in 20 seconds. (Note: You should derive all
the equation(s) used in your solution, except for well-known Newton's Laws. Otherwise, it is not excepted.)
Transcribed Image Text:The speed of the exhaust gas from a modern rocket is about 2.5 km./s. The motor and body of the rocket are necessarily heavy, and the ratio of the initial mass to final mass, including the payload, is typically 5. Estimate the speed of such a rocket if all the fuel is burnt in 20 seconds. (Note: You should derive all the equation(s) used in your solution, except for well-known Newton's Laws. Otherwise, it is not excepted.)
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