Asked by monic
The wheels of a car have radius 11 in. and are rotating at 800 rpm. Find the speed of the car in mi/h.
mi/h
mi/h
Answers
Answered by
Reiny
circumference of wheel
= distance covered in 1 rotation
= 2π(11) = 22π inches
distance covered in 800 rotations
= 800(22π) = 17600π inches
= 17600π/12 ft
= 17600π/(12(5280)) miles
= .87266.. miles per minute
= 52.36 miles/hr
= distance covered in 1 rotation
= 2π(11) = 22π inches
distance covered in 800 rotations
= 800(22π) = 17600π inches
= 17600π/12 ft
= 17600π/(12(5280)) miles
= .87266.. miles per minute
= 52.36 miles/hr
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