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Example Questions
Example Question #1 :Other Circular And Rotational Motion Concepts
A wheel of radiusrolls along a flat floor and makesrotations over a period of time. What distancehas the wheel traveled?
Possible Answers:
有限公司rrect answer:
Explanation:
In order to find the distance the wheel travels, we need a way to convert angular displacement to linear displacement. We know that the circumference of a circle (or a wheel, in this case) is. This means that in one rotation, the wheel would travel a distance equal to its circumference.
Distance of one rotation equals:.
Since the wheel travelsrotations, the total distance that the wheel travels will be equal to the distance traveled by one rotation multiplied by the number of rotations.
Distance ofrotations equals:
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