If the theoretical payload increases by the use of a third stage for a – McqOptions

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1.	If the theoretical payload increases by the use of a third stage for an initially two stage rockets is 8-10%, which of the following values is a logical value for theoretical payload increase for the use of an additional fourth stage?
A.	-4 to -6%
B.	3 to 5%
C.	8 to 10%
D.	12 to 14%
Answer» C. 8 to 10%

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