The Motion of a Particle Connected to a Spring Is $\pi$

question 11

Multiple Choice

The motion of a particle connected to a spring is described by x = 10 sin ( $\pi$ t) .At what time (in s) is the potential energy equal to the kinetic energy?

• A)0
• B)0.25
• C)0.50
• D)0.79
• E)1.0

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Definitions:

Standardized Testing

A form of testing that requires all test takers to answer the same questions, or a selection of questions from a common bank of questions, in the same way, to enable a consistent measurement of their abilities or performance.

Cognitive Ability

The capacity to perform mental processes related to learning, thinking, reasoning, problem-solving, and memory.

Cultural Bias

The phenomenon of interpreting and judging phenomena by standards inherent to one's own culture, leading to a skewed understanding or assessment.

Tracking

Grouping, or stratifying, students in school on the basis of ability test scores.