At time t, a rocket is fired from rest in space. The rocket burns its fuel at constant rate for 30 s. If the exhaust velocity of the rocket is 2.50 km/s, what must be the initial to final mass ratio mi/mf of the rocket to achieve a final speed of 10.0 km/s?

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.60P
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At time t, a rocket is fired from rest in space. The rocket burns its fuel at constant rate for 30 s. If the exhaust velocity of the rocket is 2.50 km/s, what must be the initial to final mass ratio mi/mf of the rocket to achieve a final speed of 10.0 km/s?

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