Find the propellant mass fraction for a rocket having a structural mas – McqOptions

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1.	Find the propellant mass fraction for a rocket having a structural mass of 150 kg, a payload mass of 20 kg and propellant mass of 1000 kg.
A.	0.65
B.	0.85
C.	0.95
D.	0.45
Answer» C. 0.95

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