A Rocket of Total Mass M and with Burnout Mass

question 22

Multiple Choice

A rocket of total mass M and with burnout mass 0.20 M attains a speed of 3 200 m/s after starting from rest in deep space.What is the exhaust velocity of the rocket?

• A)1 000 m/s
• B)2 000 m/s
• C)3 000 m/s
• D)4 000 m/s

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