How is revolution time calculated in center pivot calibration?

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Multiple Choice

How is revolution time calculated in center pivot calibration?

Explanation:
The main idea is that revolution time is how long it takes for the center pivot to complete one full circle, which depends on the distance traveled in one revolution and how fast it's moving. For one revolution, the sprinkler travels the circle’s circumference. So the time equals that distance divided by the speed: time = circumference / feet per minute. Since circumference for a circle is 2πr, you could also write it as time = (2πr) / (feet per minute). The other options don’t fit: the distance of one revolution (2πr) is not time, and using gallons per minute or radius divided by time mixes wrong quantities.

The main idea is that revolution time is how long it takes for the center pivot to complete one full circle, which depends on the distance traveled in one revolution and how fast it's moving. For one revolution, the sprinkler travels the circle’s circumference. So the time equals that distance divided by the speed: time = circumference / feet per minute. Since circumference for a circle is 2πr, you could also write it as time = (2πr) / (feet per minute). The other options don’t fit: the distance of one revolution (2πr) is not time, and using gallons per minute or radius divided by time mixes wrong quantities.

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