A Rocket Has an Exhaust Speed of 2

question 62

Multiple Choice

A rocket has an exhaust speed of 2.5 × 10³ m/s,and produces 7.5 × 10⁵ N of instantaneous thrust.What mass of fuel does the rocket burn each second?

• A)3.30 × 10^-3 kg/s
• B)17.1 kg/s
• C)300 kg/s
• D)1.90 × 10⁹ kg/s

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