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6.2 Exercise 12

Avg difficulty 2.5

At takeoff, a commercial jet has a 60.0 m/s speed. Its tires have a diameter of 0.850 m.

(a) At how many rev/min are the tires rotating?

(b) What is the centripetal acceleration at the edge of the tire?

(c) With what force must a determined 1.00×10−15kg1 . \text{00} \times \text{10}^{- \text{15}} \text{kg} bacterium cling to the rim?

(d) Take the ratio of this force to the bacterium’s weight.

OpenStax College Physics 2e, 6.2 Centripetal Acceleration, exercise 12

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.