A 40-Kg Block Starts from Rest and Slides 5

question 83

Multiple Choice

A 4.0-kg block starts from rest and slides 5.0 m down a plane inclined at 60^o to the horizontal. The coefficient of kinetic friction between the surface and the block is 0.20. The speed of the block after it slides 5.0 m is:

• A) 2.2 m/s
• B) 3.1 m/s
• C) 0 m/s
• D) 7.7 m/s
• E) 6.3 m/s

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Definitions:

Partial Equilibrium

An economic analysis or condition where the equilibrium is studied for only a part of the market, keeping other parts constant.

Personal Computer Industry

A sector of the technology market that focuses on the manufacturing, distribution, and sale of personal computers and related software and hardware.

ATC Curve

The Average Total Cost curve represents the per-unit cost of production (fixed plus variable costs) at different levels of output.

Efficient

The optimal use of resources to achieve the desired ends with minimal waste or effort, often related to production and allocation.