Problema Solution
the diameter of a bicycle wheel is 2 feet. About how many revolutions does the wheel make to travel 2 kilometers
Answer provided by our tutors
the number of revolutions = 2 km / circumference
1 km = 3280.84 ft
2 km = 2*3280.84 ft = 6561.81 ft
circumference = 2*(2/2)*pi
circumference = 2*pi
the number of revolutions = 6561.81 / (2*pi)
the number of revolutions = 6561.81 / (2*3.14)
the number of revolutions = 1045