Two Ice Skaters Are at Rest and Facing Each Other

question 45

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 is moving 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:

Purely Competitive Market

A market structure characterized by many buyers and sellers, free entry and exit, and homogeneous products.

Units of Labor

A measurement in economics indicating the quantifiable effort or work provided by labor forces, often used to determine productivity or cost in production processes.

Capital

Financial assets or the financial value of assets, such as funds held in deposit accounts and/or the physical factories, machinery and equipment used to produce goods.

Profit-Maximizing Amounts

The levels of output or operation at which a business achieves the highest possible profit, determined by analyzing costs and revenues.