A Olympic Athlete in the Long Jump Goes into the Jump

question 18

Short Answer

A Olympic athlete in the long 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?

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Definitions:

Nonpermeable

Materials that do not allow fluids to pass through them, preventing the movement of water or other substances.

Groundwater

Groundwater is the water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations.

Water Table

The level below the Earth's surface where the ground is completely saturated with water, marking the boundary between the unsaturated soil above and the saturated zone below.

Permeable Rock

Rock that allows water to pass through it due to the presence of spaces, or pores, within its structure.