What speed do the points of the rim of a wheel with a radius of 18 cm have if they move with a centripetal acceleration of 2 m / s2.
| February 25, 2021 | education
Task data: R (radius of the moving wheel) = 18 cm (0.18 m); an (centripetal acceleration with which the wheel rim points move) = 2 m / s2.
The linear speed of the rim points can be expressed from the formula: an = V2 / R, whence V = √ (an * R).
Calculation: V = √ (2 * 0.18) = 0.6 m / s.
Answer: The points on the wheel rim have a linear speed of 0.6 m / s.
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