Question 30189: A rocket has a mass ratio of 24 and an exhast velocity of 2.5km/s. Determine the minimum firing time for a stable orbit 300km above Earth.
Use the formula: v = -0.0098t+c ln R
I tried to plug in the information into the formula, but there was a missing variable. This is what I got:
V = -0.0098t+2.5ln24
Since we are suppose to find the time, then there is a missing varible: the velocity. Please check over my work. Thank you.
Answer by longjonsilver(2297)   (Show Source):
You can put this solution on YOUR website! you do not define your variables, so i am not 100% sure what v or c or R are. To me, c is the speed of light, so i need to know what you think it is here.
Jon.
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