A 020-Kg Block Rests on a Frictionless Level Surface and Is

question 65

Multiple Choice

A 0.20-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 40 N/m.The block is initially displaced 4.0 cm from the equilibrium point and then released to set up a simple harmonic motion.What is the speed of the block when it passes through the equilibrium point?

• A)2.1 m/s
• B)1.6 m/s
• C)1.1 m/s
• D)0.57 m/s

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Definitions:

Pigouvian Tax

A tax imposed on any market activity that generates negative externalities, intended to correct the market outcome.

Sulfur Dioxide

A colorless gas with a sharp smell, produced by burning fossil fuels and volcanic eruptions, often associated with air pollution and acid rain.

Marginal Social Cost

The total cost to society of producing one additional unit of a good or service, including both the private costs and any external costs.

Pigouvian Taxes

Taxes designed to reduce external costs.