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The wheels on a vehicle have a radius of 17 inches and are turning at 700 revolutions per minute.

What is the linear velocity of the wheels in miles per hour?

 

a. 52.2 mi/hr

b. 51.4 mi/hr

c. 51.8 mi/hr

d. 53.5 mi/hr

 Sep 6, 2017
 #1
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Inches per hour  =  700 * 2 * pi (17)  * 60  ≈  4486194 in / hr      (1)

 

Inches in one mile   =  5280 * 12  = 63360         (2)

 

Mph  =  (1) / (2)  =   4486194 / 63360   ≈  70.8 Mph

 

 

cool cool cool

 Sep 6, 2017

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