A Very Light 1

question 49

Multiple Choice

A very light 1.00-m wire consists of two segments of equal length,one of steel (Young's modulus is 2.00 × 10¹¹ N/m²) and one of brass (Young's modulus is .The steel segment is 1.50 mm in diameter,and the brass segment has twice this diameter.When a weight w is hung from the ceiling by this wire,the steel segment stretches by 1.10 mm.Find the weight w.

• A) 190 N
• B) 390 N
• C) 780 N
• D) 1000 N
• E) 3100 N

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Definitions:

Producer Surplus

The difference between the amount a producer is willing to accept for a good or service versus what they actually receive in the market.

Government Policy

Governmental actions intended to influence economy or social behavior, including laws, regulations, and fiscal decisions.

Producer Surplus

The difference between the price sellers are content to take for a product or service and the financial outcome they achieve.

Producer Surplus

The difference between what producers are willing to accept for a good versus what they actually receive, essentially measuring the net benefit to producers from selling at a market price above their minimum acceptable price.