What Mass Ratio Is Required to Launch a Rocket from the Surface

question 59

Multiple Choice

What mass ratio is required to launch a rocket from the surface of Mars (escape velocity = 5.0 km/s) if its engines produce an exhaust velocity of 3.0 km/s?

• A) 1.8
• B) 5.3
• C) 6.9
• D) 7.4

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