A rocket has an initial mass of 150 kg. After operating for a duration – McqOptions

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1.	A rocket has an initial mass of 150 kg. After operating for a duration of 10 s, its final mass is 50 kg. If the acceleration due to gravity is 9.81 m/s2 and the thrust produced by the rocket is 19.62 kN, the specific impulse of the rocket is
A.	400 s
B.	300 s
C.	200 s
D.	100 S
Answer» D. 100 S

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