1. Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it does not rotate, but it contains gears to count the number of wheel revolutions-it then calculates the distance traveled. If the wheel has a 1.15 m diameter and goes through 200,000 rotations, how many kilometers should the odometer read?

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**Problem 1: Calculating Distance Using an Odometer**

Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it does not rotate, but it contains gears to count the number of wheel revolutions—it then calculates the distance traveled. 

Given:
- The wheel has a diameter of 1.15 meters.
- The wheel undergoes 200,000 rotations.

Question:
If the wheel has a 1.15 m diameter and goes through 200,000 rotations, how many kilometers should the odometer read?

To find the distance, use the formula for the circumference of a circle (C = πd), where \(d\) is the diameter. Once the circumference is calculated, multiply it by the number of rotations to find the total distance. Convert the result from meters to kilometers by dividing by 1,000.
Transcribed Image Text:**Problem 1: Calculating Distance Using an Odometer** Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it does not rotate, but it contains gears to count the number of wheel revolutions—it then calculates the distance traveled. Given: - The wheel has a diameter of 1.15 meters. - The wheel undergoes 200,000 rotations. Question: If the wheel has a 1.15 m diameter and goes through 200,000 rotations, how many kilometers should the odometer read? To find the distance, use the formula for the circumference of a circle (C = πd), where \(d\) is the diameter. Once the circumference is calculated, multiply it by the number of rotations to find the total distance. Convert the result from meters to kilometers by dividing by 1,000.
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