Question 887849:  Angular velocity.
 
A bicycle wheel has a diameter of 50 cm. If the bike travels at a speed of 9km/h, what is the angular velocity, in radians per hour, of a point on the edge of the wheel? 
 Found 2 solutions by  lwsshak3, Alan3354: Answer by lwsshak3(11628)      (Show Source): 
You can  put this solution on YOUR website! Angular velocity.  
A bicycle wheel has a diameter of 50 cm. If the bike travels at a speed of 9km/h, what is the angular velocity, in radians per hour, of a point on the edge of the wheel? 
*** 
key: rev=revolution, 50πcm=circumference of wheel
 
  
km, rev, π, cm, cancel out 
  
This is a revised verson of an earlier solution, thanks to tutor Alan. 
 Answer by Alan3354(69443)      (Show Source): 
You can  put this solution on YOUR website! From the other tutor:
 
Angular velocity.  
A bicycle wheel has a diameter of 50 cm. If the bike travels at a speed of 9km/h, what is the angular velocity, in radians per hour, of a point on the edge of the wheel? 
*** 
key: rev=revolution, 50πcm=circumference of wheel
 
  
km, rev, π, cm, cancel out 
  
100 cm/km should be 100 cm/meter = 100000 cm/km 
----- 
--> 36000 radians/hr 
  | 
 
  
 
 |   
 
 |