The effective jet exit velocity from a rocket is 2700 m/s. The forward flight velocity is 1350 m/s. the propulsive efficiency of the unit is:

The effective jet exit velocity from a rocket is 2700 m/s

1.	The effective jet exit velocity from a rocket is 2700 m/s. The forward flight velocity is 1350 m/s. the propulsive efficiency of the unit is:
A.	200%
B.	100%
C.	66.666%
D.	33.333%
Answer» D. 33.333%

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The effective jet exit velocity from a rocket is 2700 m/s. The forward flight velocity is 1350 m/s. the propulsive efficiency of the unit is:

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