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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Question 251479: 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
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
120%2Api radians/hr x (1 hr/60 min) = 2%2Api radians/min
2%2Api radians/min x (1 revolution/2%2Apiradians) = 1 rpm
The answer is a)