The tip of a pinwheel is 0 point 2 4 m from the center. The pinwheel spins 5 times each second. What is the tangential speed of the tip of the pinwheel?

Tangential speed is the distance traveled in one revolution multiplied by the number of revolutions per second. The tip travels one circumference, 2πr = 2π(0.24 m), per revolution, so its speed is 2π(0.24 m)(5/s) ≈ 7.5 m/s. Therefore, the correct choice is 7.5 m/s.

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