A Track Star in the Broad Jump Goes into the Jump

question 27

Multiple Choice

A track star in the broad jump goes into the jump at 12 m/s and launches himself at 20 $\degree$ above the horizontal.How long is he in the air before returning to Earth? (g = 9.8 m/s²)

• A)0.42 s
• B)0.84 s
• C)1.25 s
• D)1.68 s

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Definitions:

Industry

A sector of the economy characterized by the production or processing of similar goods or services.

High Concentration Ratio

Indicates that a large percentage of a market is controlled by a few firms, which could suggest less competition.

Interindustry Competition

Competition between firms that are in different industries but may target similar markets or customer needs.

Aluminum Industry

Sector of the economy focused on the production, processing, and distribution of aluminum, a lightweight and versatile metal.