A Rocket Moving in Outer Space Maintains a Constant Acceleration

question 17

Multiple Choice

A rocket moving in outer space maintains a constant acceleration (magnitude = 20 m/s2) while ejecting fuel at a speed of 15 km/s relative to the rocket. If the initial mass of the rocket is 3000 kg, what is the magnitude of the thrust after 800 kg of fuel have been consumed?

• A)56 kN
• B)48 kN
• C)52 kN
• D)44 kN
• E)36 kN

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Definitions:

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