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A bicycle tire with a 12-inch radius is making 175 revolutions per minute. Find the linear speed in miles per hour.

 Feb 18, 2020
 #1
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+1

12 in   = 1 ft

 

The inear distance  covered in one hour =  

 

2pi ( 1 ft) * 175 revs/ min * 60 min  =  65973 ft

 

Divide this by  the number of feet in a mile  = 5280  =   12.49 mi /hr

 

 

cool cool cool

 Feb 18, 2020

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