A point on the edge of a fan blade that is rotating in a plane 10 centimeters from the center of the fan. What is the distance traveled, in centimeters, by this point after 30 seconds when the fan runs at the rate of 300 revolutions per minutes?
Correct answer: D
Explanation
60 seconds - 300 revolutions
30 seconds - 150 revolutions
distance travelled in 1 revolution = 2*pi*r
distance travelled in 150 revolutions = 300*pi*r
= 3000pi
Answer is D.
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AQuA-RAT items are crowdsourced algebra problems, not ACT questions. They carry five answer choices in the pre-2025 ACT Mathematics style and no ACT reporting category. Useful for drilling Preparing for Higher Math content; not a substitute for a real form.