A truck with 32-inch diameter wheels is traveling at 60 mi/h. Find the angular speed of the wheels in rad/min. How many revolutions per minute do the wheels make?

Mathematics · College · Tue Nov 03 2020

Answered on

Given :

Diameter of wheel = 32 inch

Radius = 32/2 = 16 inch

Speed = 60 mph

Now, converting 60 mph in in /min

60 × 63360/60 = 63360 in/min

Angular Speed of Wheel = 63360/16

= 3960 rad/min

Revolution per minute = 3960/ 2π

= 630 rpm

 

Hence, Angular Speed of wheel is 3960 rad/min and revolutions per minute is 630.