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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Definitions:

Earthworms

Invertebrate animals with a long, segmented body, living in soil and contributing to soil fertility through their activity.

Scorpions

Arthropods belonging to the class Arachnida, characterized by their venomous sting, used to kill prey and for defense.

Arthropod

Invertebrates, with an exoskeleton and jointed appendages, such as crustaceans and insects.

Lobsters

Marine crustaceans with a hard shell, long antennae, and ten legs, known for being a popular seafood.