At One Instant of Time a Rocket Is Traveling in Outer

question 54

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 N
• 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:

Unit Variable Cost

The cost associated with producing one additional unit of a product, including labor and materials, which varies with the production volume.

Monthly Expenses

The total amount of money spent by an individual or organization within a month, covering all necessary and discretionary expenses.

Unit Variable Cost

The cost associated with producing one additional unit of a product, not including fixed costs.

Variable Cost

Costs that vary directly with the level of production or service activity, such as materials and labor costs, unlike fixed costs which remain constant regardless of activity levels.