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:

Aerobic Exercise

Activity that boosts the performance of the circulatory and respiratory systems in processing and moving oxygen.

Lung Fitness

The overall health and functional capacity of the lungs, impacting breathing and oxygenation processes.

Physical Activity

Any bodily movement produced by skeletal muscles that require energy expenditure, including activities undertaken while working, playing, carrying out household chores, traveling, and engaging in recreational pursuits.

Heart

A vital organ that pumps blood throughout the body, providing oxygen and nutrients to tissues.