A rocket has a throat area of 10 mm2 and nozzle exit area of 25 mm2. I – McqOptions

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1.	A rocket has a throat area of 10 mm2 and nozzle exit area of 25 mm2. If the mass flow rate of its propellants is 2 kg/s, exit velocity is 30 m/s, and if exit pressure is twice the standard atmospheric pressure at sea level, what will be the total thrust?
A.	60 N
B.	62.53 N
C.	61.26 N
D.	65.06 N
Answer» C. 61.26 N

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