A 014-Kg Baseball Is Dropped from Rest from a Height of of 2.0

question 22

Multiple Choice

A 0.14-kg baseball is dropped from rest from a height of 2.0 m above the ground.What is the magnitude of its momentum just before it hits the ground if we neglect air resistance?

• A)0.28 kg ∙ m/s
• B)0.88 kg ∙ m/s
• C)0.44 kg ∙ m/s
• D)0.62 kg ∙ m/s
• E)1.4 kg ∙ m/s

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Definitions:

Resting Heart Rate

The number of heartbeats per minute while at rest, which is an indicator of aerobic fitness and overall heart health.

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.