A 40-Kg Block Starts from Rest and Slides 5

question 19

Multiple Choice

A 4.0-kg block starts from rest and slides 5.0 m down a plane inclined at 60º to the horizontal.The coefficient of kinetic friction between the surface and the block is 0.20.The work done by friction on the block is

• A)98.0 J
• B)19.6 J
• C)3.92 J
• D)3.40 J
• E)64.0 J

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Definitions:

Minimized Cost

The lowest possible expense at which a company can produce a product without sacrificing the quality or quantity of the product.

Profit or Loss

The financial result of business operations, calculated as the difference between revenue and expenses, indicating the financial health of the business.

Excess Capacity

A situation where a firm is operating below its maximum output level, indicating that the company can produce more goods with the existing resources if there is higher demand.

Marginal Cost

The rise in overall expenses incurred from the production of an additional single unit of a product or service.