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.)
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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