5. (a) Derive the rocket equation v - Vo = -Vex ln m то = mo m Vex In- (b) What will be the ratio mfinal/minitial if the rocket engine exhaust velocity is 2 km/s and the final velocity needed is 10 km/s. Take the initial velocity to be zero.

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5. (a) Derive the rocket equation
v - Vo = -Vex ln
VO
m
mo
Vex In
mo
m
(b) What will be the ratio mfinal/minitial if the rocket engine exhaust velocity is 2 km/s and
the final velocity needed is 10 km/s. Take the initial velocity to be zero.
Transcribed Image Text:5. (a) Derive the rocket equation v - Vo = -Vex ln VO m mo Vex In mo m (b) What will be the ratio mfinal/minitial if the rocket engine exhaust velocity is 2 km/s and the final velocity needed is 10 km/s. Take the initial velocity to be zero.
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