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OpenStudy (anonymous):
Use v = - 0.0098t + c ln R, where v is the velocity of the rocket, t is firing time and c is velocity of exhaust R is ratio of the mass of the rocket filled with fuel to the mass of rocket without fuel Find the velocity of a space craft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.7 Km/s, and a firing time of 30s. Can the space craft achieve a stable orbit 300km above earth
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