Two Ice Skaters Are at Rest and Facing Each Other

question 73

Multiple Choice

Two ice skaters are at rest and facing each other. One skater weighs 140 lbs and the other skater weighs 180 lbs. The skaters "push off" of each other. The 140 lb skater then moves away at 5.00 m/s to the EAST. What is the velocity of the 180 lb skater?

• A) 6.50 m/s EAST
• B) 6.50 m/s WEST
• C) 3.89 m/s EAST
• D) 3.89 m/s WEST
• E) 1.55 m/s EAST

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Definitions:

Venous End

The part of a capillary bed where blood is collected from the capillary networks into the veins, characterized by lower pressure and oxygen content compared to the arterial end.

Lower Extremities

Lower extremities refer to the limbs and structures of the lower part of the body, including the hips, thighs, legs, ankles, and feet.

Precapillary Sphincter

A band of smooth muscle that adjusts blood flow into capillaries mainly by contracting and relaxing, thereby regulating the passage of blood into tissues.

Lactate Production

Lactate production occurs during anaerobic respiration in muscles, where glucose is converted to lactate in the absence of sufficient oxygen, leading to muscle fatigue.