Use the Figure to Answer the Question

question 52

Multiple Choice

Use the figure to answer the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road. The truck is slowing down due to air resistance and rolling friction.
-A vertical light spring stretches a distance h meters when a mass m is hung from it. The spring/mass system is now placed on a horizontal frictionless table and set into oscillation with amplitude h and maximum velocity v. What is the total energy involved in the spring/mass oscillating system.

• A) kh² + mv²
• B) kh² + mgh
• C) mv² + mgh²
• D) mgh + kh² + mv²
• E) mv²

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Definitions:

CO-poisoned Person

A person suffering from carbon monoxide poisoning, a potentially fatal condition caused by inhaling carbon monoxide gas.

Hemoglobin

A red protein responsible for transporting oxygen in the blood of vertebrates.

Waste Product

A material that is not needed and is discarded after a manufacturing process or metabolic activity.

Carbon Dioxide

A colorless, odorless gas (CO2) produced by burning carbon and organic compounds and by respiration, absorbed by plants in photosynthesis.