The tangential speed of a point on a rotating body equals angular velocity times the:
ARebound
BReading
CRadius
DRating
Answer & Solution
Correct answer: C. Radius
1. Points further out travel further in the same turn.
2. The distance from the axis scales the speed.
3. So tangential speed is angular velocity times radius.
_Source: OpenStax University Physics Volume 1, Chapter 10, Fixed-Axis Rotation._
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