A wheel of radius 2.1 m of a vehicle makes 75 revolutions in 1 min. Wh – McqOptions

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1.	A wheel of radius 2.1 m of a vehicle makes 75 revolutions in 1 min. What is the speed of the vehicle?
A.	59.4 km/h
B.	35.4 km/h
C.	78 km/h
D.	37.4 km/h
Answer» B. 35.4 km/h

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