As Shown in the Figure,two Blocks Are Connected by a Light

question 42

Multiple Choice

As shown in the figure,two blocks are connected by a light string that passes over a frictionless pulley having a moment of inertia of 0.0040 kg ∙ m² and diameter 10 cm.The coefficient of kinetic friction between the table top and the upper block is 0.30.The blocks are released from rest,and the string does not slip on the pulley.How fast is the upper block moving when the lower one has fallen 0.60 m?

• A)1.2 m/s
• B)5.4 m/s
• C)3.2 m/s
• D)2.0 m/s
• E)1.4 m/s

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Definitions:

Laffer Curve

A theoretical representation of the relationship between tax rates and the amount of tax revenue collected by governments, indicating an optimal tax rate that maximizes revenue.

Tax Revenue

The income that is gained by governments through taxation, crucial for funding public services and infrastructure.

Price Ceiling

A legal maximum price set by the government for a particular good or service, intended to prevent prices from becoming excessively high.

Shortage

A situation where the demand for a product exceeds its supply in a market.