10. 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 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 x 10^-15 kg bacterium cling to the rim?(d) Take the ratio of this force to the bacterium’s weight.

Answered: Image /qna-images/answer/e284ba31-a8de-4f24-92cc-9ef09ec32e34.jpg

Answered: 10. At takeoff, a commercial jet has a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A 2.80 kg tire (Iring=MR2) with a radius of 0.420 m is released from rest at the top of a 40.0 meter long 12.1° slope. How long will it take to roll to the bottom? (Give your answer in seconds.)
(a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 45.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 3.00 m from its center? (Enter a number.) (b) What centripetal force (in N) does she need to stay on an amusement park merry-go-round that rotates at 3.00 rev/min if she is 8.00 m from its center? (Enter a number.) (c) Compare each force with her weight. (For each answer, enter a number.) (force from (a))/(weight) (force from (b))/(weight)
Astronauts in the International Space Station must work out every day to counteract the effects of weightlessness. Researchers have investigated if riding a stationary bicycle while experiencing artificial gravity from a rotating platform gives any additional cardiovascular benefit. What frequency of rotation, in rpm, is required to give an acceleration of 1.4g to an astronaut’s feet, if her feet are 1.1 m from the platform’s rotational axis?
A steel beam is rotating in a horizontal plane to provide the centripetal acceleration for training pilots. The pilot sits 2.81 m from the center of rotation. If the pilot experiences 3.49E3N of force as he revolves with tangible velocity of 10.6 m/s, what is the pilots mass?
At takeoff a commercial jet has a 60.0 m/s speed. Its tires have a diameter of 0.700 m. (a) At how many rpm are the tires rotating? rpm (b) What is the centripetal acceleration at the edge of the tire? m/s2 (c) With what force must a determined 10−15 kg bacterium cling to the rim? N (d) Take the ratio of this force to the bacterium's weight. (force from part (c)/bacterium's weight)
A 2.97 gram fine is placed 0.10 m from the centre of a rotating disc. The coefficient of static friction between the fine and the disc is 0.28. What is the maximum speed of rotation, ( at the position of the dime), that the disc can rotate without sliding off?
At takeoff, a commercial jet has a 45.00 m/s speed. Its tires have a diameter of 0.400 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 1.00×10−15 kg1.00×10−15 kg bacterium cling to the rim? (d) Take the ratio of this force to the bacterium's weight.
At takeoff, a commercial jet has a speed of 62 m/s. Its tires have a diameter of 0.86 m. a) At how many rev/min are the tires rotating? b) What is the centripetal acceleration at the edge of the tire in m/s^2? c) With what force must be determined 0.75x10^-15 kg bacterium cling to the rim in N? d)Take the ration of this force to the bacterium's weight.
(a) A 23.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 1.50 m from its center? (Enter a number.) (b) What centripetal force (in N) does she need to stay on an amusement park merry-go-round that rotates at 3.00 rev/min if she is 5.00 m from its center? (Enter a number.) N
A wind turbine blade with a radius of 38 m and a mass of 1470 kg is rotating at 0.25 rev/s. Assuming all of the mass is located at the end of the blade, what is the net force (in N) acting on the end of the turbine blade? (This net force, supplied by interatomic forces in the metal, is the centripetal force required to keep each atom in circular motion).
A road with a radius of 75.0 m is banked so that a car can navigate the curve at a speed of 16.8 m/s without any friction. When a car is going 36.8 m/s on this curve, what minimum coefficient of static friction is needed if the car is to navigate the curve without slipping?

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