A Boat Moves Through the Water in a River at a Speed

question 81

Multiple Choice

A boat moves through the water in a river at a speed of 8 m/s relative to the water. The boat makes a trip downstream and then makes a return trip upstream to the original starting place. Which trip takes less time?

• A) the downstream trip
• B) the upstream trip
• C) Both trips take the same amount of time.
• D) The answer cannot be figured without knowing the speed of the river flow.

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Definitions:

Production

The process of creating goods and services.

Cattle

Domesticated large mammals bred by humans for purposes like milk, meat, leather, and labor.

Wheat

A cereal grain considered a staple food across the globe, used to make products like bread, pasta, and other foods.

Opportunity Cost

The value of the best alternative that is not chosen, to illustrate the trade-offs associated with any decision.