Question

The wheels of a scooter have a diameter of 4.5 inches. If the person riding the scooter is traveling down hill at 15.0 mph. what is the approximate angular speed of the wheels in radians per second
Circumference = pi*D = 3.14 * 4.5 = 14.13 In. = 1.1775 Ft

V=15mi/h * 5280Ft/mi * 6.28Rad/1.1775Ft
* 1h/3600s. = 117.3 Rad/s.
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