A)What is the tire tread's lowest tangential speed, in meters per second, at which the nail will pull free from the tir

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Chapter1: Units, Trigonometry. And Vectors
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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)What is the tire tread's lowest tangential speed, in meters per second, at which the nail will pull free from the tire? (How does gravity affect the net force on the nail at various positions in the the rotation of the tire.)

v=           m/s 

 

B) 

At what tangential speed, in meters per second, would the nail pull free when it is at the top of the tire? (This is a mildly silly question because the nail would have already pulled free at some other point in the rotation.)

vtop=    m/s 

: A tire, which is mounted on a car, has a radius of 0.23 m. A nail with a mass of 7.4 g is stuck in the tread of the tire, and it is held there with a
maximum frictional force of 0.87 N. The car has been elevated on a mechanics lift so that the tire is no longer in contact with the pavement.
Transcribed Image Text:: A tire, which is mounted on a car, has a radius of 0.23 m. A nail with a mass of 7.4 g is stuck in the tread of the tire, and it is held there with a maximum frictional force of 0.87 N. The car has been elevated on a mechanics lift so that the tire is no longer in contact with the pavement.
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