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:

Central Tendency

Statistical measures that summarize a data set by identifying the central position within that data set, commonly using mean, median, and mode.

Extreme Scores

Statistical outliers in a data set that are significantly higher or lower than most of the data.

Variability

The degree to which data points in a dataset differ from each other and from their mean, indicating the dispersion or spread.

Scores

Quantitative values or measurements used to evaluate or assess someone or something's performance or status.