At One Instant of Time a Rocket Is Traveling in Outer

question 19

Multiple Choice

At one instant of time a rocket is traveling in outer space at 2500 m/s and is exhausting fuel at a rate of 100 kg/s. If the speed of the fuel as it leaves the rocket is 1500 m/s, relative to the rocket, the thrust is:

• A) 0
• B) 1.0 * 10⁵ N
• C) 1.5 * 10⁵ N
• D) 2.9 * 10⁵ N
• E) 2.5* 10⁵ N

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Definitions:

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The human effort, including physical and mental efforts, used in the production of goods and services.

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A graphical representation showing a firm's total costs divided by output at various levels of production.

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An increase, elevation, or improvement in position, level, or condition.