A Skier Weighing 0

question 13

Multiple Choice

A skier weighing 0.70 kN goes over a frictionless circular hill as shown. If the skier's speed at point A is 9.2 m/s, what is his speed at the top of the hill (point B) ?

• A) 3.1 m/s
• B) 6.2 m/s
• C) 5.2 m/s
• D) 4.1 m/s
• E) 6.5 m/s

---

Definitions:

Erythropoietin

A hormone produced by the kidneys that stimulates the production of red blood cells in response to hypoxia.

Rate

A measure of how quickly or slowly something happens or changes over a particular period of time.

Fetal Hemoglobin

A type of hemoglobin found in fetuses that has a higher affinity for oxygen than the adult form, facilitating oxygen transfer from the mother to the fetus.

Adult Hemoglobin

A type of hemoglobin that is predominant in adults, consisting of two alpha and two beta chains, and responsible for transporting oxygen from the lungs to the rest of the body.