SOLUTION: How many revolutions per minute does a wheel make if its angular velocity is 120 pi radians per hour? a) 1 rpm b) 2pi rpm c) 1/60 rpm d) 3600 rpm e) 7200 rpm

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 Click here to see ALL problems on Miscellaneous Word Problems Question 251277: How many revolutions per minute does a wheel make if its angular velocity is 120 pi radians per hour? a) 1 rpm b) 2pi rpm c) 1/60 rpm d) 3600 rpm e) 7200 rpmAnswer by vksarvepalli(154)   (Show Source): You can put this solution on YOUR website!one revolution means one full circle i.e., a rotation of 360 degrees or 2pi radians. so here the angular velocity is 120pi radians per hour that means 120pi/2pi = 60 revolutions per hour. we want per minute so 60 rev per 60 mins so it is 1 rev per min. ans: 1 rpm