Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.55 times a second. A tack is stuck in the tire at a distance of 0.357 m from the rotation axis. Noting that for every rotation the tack travels one circumference, find the tack's tangential speed. tangential speed: m / s What is the tack's centripetal acceleration

Explanation:

Given:

Time for 1 rev = 1/2.55

= 0.392s

To rad/s,

= 2π/0.392

w = 16.03 rad/s

v = wr

= 16.03 * 0.357

= 5.72 m/s

B.

a = v²/r

= 5.72²/0.357

= 91.72 m/s²

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