At takeoff, a commercial jet has a speed of 60.0 m/s. Its tires have a diameter of 0.850 m.
(a) At how many rpm are the tires rotating?
(b) What is the centripetal acceleration at the edge of the tire?
(c) With what force must a determined 10-15 kg bacterium cling to the rim?
(d) What is the ratio of this force to the bacterium's weight?