Exam-style question
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Define angular speed and link it to period and frequency.
Model answer
What a good answer should say
- Angular speed (ω) is defined as the rate of change of angular displacement and is given by the formula ω = 2π/T, where T is the period.
- It is also related to frequency (f) by the equation ω = 2πf, where f is the number of complete revolutions per second.
Explanation
Why this works
This answer effectively defines angular speed and establishes its relationship with period and frequency, demonstrating a clear understanding of the concepts involved in circular motion. It tests the student's ability to connect definitions with mathematical relationships.
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