A Bolder at the Top of a Hill Breaks Free

question 19

Multiple Choice

A bolder at the top of a hill breaks free and rolls down the hill.Which statement best represents the change in energy that occurs in this process?

• A)The potential energy of the bolder increases.
• B)The potential energy of the bolder is converted to kinetic energy.
• C)The kinetic energy of the bolder is converted to potential energy.
• D)The chemical energy of the bolder is converted to kinetic energy.
• E)No change in energy occurs; energy cannot be converted from one form to another.

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Definitions:

ACSM Frequency Recommendation

Guidelines set by the American College of Sports Medicine regarding the recommended frequency of exercise for maintaining or improving health.

Moderate-intensity Exercise

Physical activities that elevate the heart rate and breathing but still allow for conversation; includes activities like brisk walking, moderate cycling, or water aerobics.

Asthma

A chronic respiratory condition marked by episodes of airway constriction, causing wheezing, shortness of breath, chest tightness, and coughing.

Structured Exercise Program

A planned sequence of physical activities designed to improve fitness, health, or achieve specific physical goals.