Water Flows Over a Section of Niagara Falls at a Rate

question 18

Multiple Choice

Water flows over a section of Niagara Falls at a rate of 6.00 × 10⁵ kg/s and falls 50.0 m.What is the power dissipated by the waterfall?

• A) 588 MW
• B) 294 MW
• C) 147 MW
• D) 60.0 MW

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Definitions:

Body Mass Index (BMI)

A measure of weight relative to height.

Energy Intake

The amount of energy derived from foods or beverages consumed in a given period, typically measured in calories or joules.

Leptin

A hormone produced by fat cells that regulates body weight and energy balance by signaling the brain about the body's energy status.

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Physical or psychological signals that indicate the need to consume food.