Swimmers at a Water Park Have a Choice of Two

question 27

Multiple Choice

Swimmers at a water park have a choice of two frictionless water slides,as shown in the figure.Although both slides drop over the same height h,slide 1 is straight while slide 2 is curved,dropping quickly at first and then leveling out.How does the speed v₁ of a swimmer reaching the bottom of slide 1 compare with v₂,the speed of a swimmer reaching the end of slide 2?

• A)v₁ > v₂
• B)v₁ < v₂
• C)v₁ = v₂
• D)The heavier swimmer will have a greater speed than the lighter swimmer,no matter which slide he uses.
• E)No simple relationship exists between v₁ and v₂.

---

Definitions:

Ecologically Sustainable

Practices and processes that preserve environmental resources for future generations while meeting current needs.

Renewable Energy

Energy from resources that are naturally replenishing, such as solar, wind, water, and geothermal heat.

Short-termism

The concentration on short-term projects or objectives for immediate profit at the expense of long-term security.

Resource Constraints

Limits on the availability of factors of production that reduce a company’s ability to produce goods and services.