Find the Length of the Arc on a Circle of Radius

question 117

Multiple Choice

Find the length of the arc on a circle of radius r intercepted by a central angle θ. Round answer to two decimal
places.
-A pendulum swings through an angle of 20° each second. If the pendulum is 25 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.

• A) 8.73 inches
• B) 11.16 inches
• C) 10.02 inches
• D) 6.88 inches

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Definitions:

Basic Trust

According to Erik Erikson, a sense that the world is predictable and trustworthy; said to be formed during infancy by appropriate experiences with responsive caregivers.

Erikson

Erikson refers to Erik Erikson, a developmental psychologist known for his theory on the psychosocial development of human beings through eight stages from infancy to adulthood.

Insecure Attachment

Insecure attachment refers to a type of attachment style characterized by anxiety, fear of abandonment, and difficulty in trusting relationships, stemming from early relationships with caregivers.

Artificial Mothers

Reference to research setups, often in psychology, where infants or young animals are provided with substitute mother figures made from materials like cloth or wire to study attachment behavior.