A Baseball Pitcher Loosens Up His Pitching Arm

question 24

Multiple Choice

A baseball pitcher loosens up his pitching arm.He tosses a 0.20-kg ball using only the rotation of his forearm,0.28 m in length,to accelerate the ball.What is the moment of inertia of the ball alone as it moves in a circular arc with a radius of 0.28 m?

• A)3.1E-3 kg·m²
• B)1.6E-2 kg·m²
• C)3.1E-2 kg·m²
• D)1.1E-2 kg·m²
• E)5.6E-2 kg·m²

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Definitions:

Kilocalorie (Kcal) Intake

A measure of the total amount of energy consumed through food and drink, commonly referred to as calories, crucial for dietary planning and balance.

Referenced Daily Intakes (RDIs)

A set of dietary references used to establish the nutritional intake levels of various vitamins and minerals needed for healthy living.

Recommended Daily Allowances (RDAs)

Nutritional intake levels considered sufficient to meet the health needs of nearly all healthy individuals in a population.

Daily Values

Recommended daily nutrient intake levels established to inform consumers about nutrient content in food.