Suppose a 20-Centimeter Pendulum Moves According to the Equation

question 112

Multiple Choice

Suppose a 20-centimeter pendulum moves according to the equation where is the angular displacement from the vertical in radians and t is the time in seconds. Determine the rate of change of when seconds. Round your answer to four decimal places. ​

• A) 1.669 radians per second
• B) 2.7841 radians per second
• C) 0.3815 radians per second
• D) 1.8396 radians per second
• E) 6.6763 radians per second

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Definitions:

Psychological Capital

The state of well-being of a person, marked by their belief in their own competencies, a hopeful perspective, future-oriented desires, and their ability to bounce back from adversity.

Self-Efficacy

A person's belief in their own ability to complete tasks and achieve goals.

Optimism

Making internal attributions about positive events in the present and future and external attributions about negative events.

Hope

Persevering toward one’s goals and, when necessary, making changes and using multiple pathways to achieve one’s goals.