A Uniform Ladder Is 10 M Long and Weighs 400

question 21

Multiple Choice

A uniform ladder is 10 m long and weighs 400 N.It rests with its upper end against a frictionless vertical wall.Its lower end rests on the ground and is prevented from slipping by a peg driven into the ground.The ladder makes a 30 ° angle with the horizontal.The force exerted on the wall by the ladder is:

• A)47 N
• B)74 N
• C)120 N
• D)350 N
• E)460 N

Examine the unique attributes of competitive markets, including market structure and the behavior of firms within these markets.

Understand the concept and implications of average and marginal costs in the context of firm operations.

Analyze the decision-making process of competitive firms regarding production and sales in the short run.

Calculate profit or loss based on the concepts of total revenue, average revenue, and marginal revenue.

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Federal Power

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The exchange of goods and services among businesses or countries.

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A false statement made about someone, typically written (libel) or spoken (slander), that injures that person's reputation.