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A truck with 46-in.-diameter wheels is traveling at 60 mi/h.
what is rad per min and how many revolutions per min?

 Apr 10, 2021
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60 m/hr * 1 hr / 60 min * 5280 ft/mi =  5280 ft/ min

 

46 /12  ft  * pi = 3.83333 pi  ft   circumference

 

5280 ft /min / (3.8333pi ft) = 438.44   rpm                 x 2pi = 2754.78 radians/min

 Apr 10, 2021

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