Asked by Mohamad
A skateboard wheel has a radius of 2.08 inches and is turning at a rate of 945 rpm.
a. what is the angular speed in radians per second? in degrees per second?
b. how fast is the skateboard traveling (in miles per hour)?
a. what is the angular speed in radians per second? in degrees per second?
b. how fast is the skateboard traveling (in miles per hour)?
Answers
Answered by
Steve
(a) well, there are 2pi radians or 360 degrees per revolution.
(b) the circumference of the wheel is 2pi*2.08 inches. That's how far it moves on each revolution.
(b) the circumference of the wheel is 2pi*2.08 inches. That's how far it moves on each revolution.
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