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9 March, 23:25

A potter's wheel decelerates from 50 rev/min to 30 rev/min in 5.0 s, with a constant deceleration. what is the magnitude of the deceleration?

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  1. 10 March, 01:56
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    To solve this problem, we should remember that the formula for angular acceleration is:

    α = Δω / Δt

    Where,

    α = angular acceleration

    ω = angular velocity

    t = time

    Substituting the known given values:

    α = (30 rev / min - 50 rev / min) * (1 min / 60 s) / 5 s

    α = - 0.067 rev / s^2

    We can see that the values is negative since the potter’s wheel is decelerating.
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