A 20-G Bullet Is Fired into a 2

question 49

Multiple Choice

A 20-g bullet is fired into a 2.0-kg block of wood placed on a horizontal surface.The bullet stops in the block.The impact moves the block (+ bullet) a distance of 5 m before it comes to rest.If the coefficient of kinetic friction between the block and surface is 0.25,calculate the speed of the block (+ bullet) system immediately after impact.

• A)20 m/s
• B)3.5 m/s
• C)25 m/s
• D)5.0 m/s
• E)2.2 m/s

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Definitions:

Pigouvian Taxes

Taxes imposed on activities that generate negative externalities, aiming to correct market outcomes by aligning private costs with social costs.

Sulfur Dioxide Emissions

Refers to the release of sulfur dioxide gas into the atmosphere, primarily from burning fossil fuels, which can cause environmental and health problems.

Excise Taxes

Taxes charged on the sale of specific goods and services, such as alcohol and tobacco, often used as a tool for discouraging their consumption.

Sales Taxes

Taxes levied on the sale of goods and services, normally calculated as a percentage of their price.