Gwen Releases a Rock at Rest from the Top of a 40-M

question 31

Multiple Choice

Gwen releases a rock at rest from the top of a 40-m tower.If g = 9.8 m/s² and air resistance is negligible,what is the speed of the rock as it hits the ground?

• A)28 m/s
• B)30 m/s
• C)56 m/s
• D)784 m/s

---

Definitions:

Hemoglobin

A protein in red blood cells responsible for transporting oxygen throughout the body.

Hypoxia

A condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level.

Trauma to C4

Injury or damage to the fourth cervical vertebra in the spine, which can potentially lead to significant neurological impairment or paralysis.

Tidal Volumes

The volume of air moved into or out of the lungs during a normal breath, critical in respiratory therapy and mechanical ventilation management.