Sasha sits on a horse on a carousel 3.5 m from the center of the circle. She makes a revolution once every 8.2 seconds. What is Sasha’s tangential speed?

Tangential speed is the distance traveled in one revolution divided by the time for that revolution. Sasha travels one circumference, 2π(3.5 m) ≈ 22.0 m, in 8.2 s, so her speed is about 22.0 ÷ 8.2 ≈ 2.7 m/s. The correct choice is 2.7 m/s.

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