A- The circumference of the tire is about 7.85 feet
B- The tire will rotate about 672 times to travel 1 mile
Step-by-step explanation:
- The formula of the circumference of a circle is C = π d, where d is the diameter of the circle
- If a circle rotates for n turns and make a distance S, then n = [tex]\frac{S}{C}[/tex]
∵ The diameter of a tire is 2.5 ft
∴ d = 2.5 ft
∵ C = π d, where C is the circumference of tire
∴ C = π(2.5) = 7.85398 ft
∴ C ≅ 7.85 feet
A- The circumference of the tire is about 7.85 feet
∵ The tire have to travel 1 mile
∵ 1 mile = 5280 feet
∴ S = 5280 feet
- To find the number of rotation of the tire divide S by C
∵ n = [tex]\frac{S}{C}[/tex]
∴ n = [tex]\frac{5280}{7.85}[/tex] ≅ 672 revolution
B- The tire will rotate about 672 times to travel 1 mile
Learn more;
You can learn more about rotation in brainly.com/question/2860697
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