A Rocket Moving in Outer Space Maintains a Constant Acceleration

question 13

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 3 000 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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The contamination of the natural environment by harmful substances or energies, causing adverse effects on living organisms and ecosystems.

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The practice of commercially exploiting naturally occurring biochemical or genetic material, especially by patenting them, without offering fair compensation to the indigenous people or nations where those materials were discovered.