The radius of a pulley is 182 mm. Find the circumference of the pulley. (This is the amount of rope that passes through the pulley as it rotates exactly once.)Round your answer to the nearest whole number. Do not type the units in the space below.
Question
The radius of a pulley is 182 mm. Find the circumference of the pulley. (This is the amount of rope that passes through the pulley as it rotates exactly once.)Round your answer to the nearest whole number. Do not type the units in the space below.
Solution
To find the circumference of a circle (or in this case, a pulley), you can use the formula:
Circumference = 2πr
where r is the radius of the circle.
Given that the radius of the pulley is 182 mm, you can substitute this value into the formula:
Circumference = 2π * 182 mm
To get the circumference, you would multiply 2 by π (approximately 3.14159) and then multiply that result by 182.
After calculating, you get a circumference of approximately 1142.52 mm.
Rounding this to the nearest whole number, you get 1143.
So, the circumference of the pulley is approximately 1143 mm.
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