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18 March, 01:23

A potter's wheel moves from rest to an angular speed of 0.10 rev/s in 20.2 s.

Assuming constant angular acceleration,

what is its angular acceleration in rad/s^2?

Answer in units of rad/s

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Answers (1)
  1. 18 March, 01:40
    0
    0.031 rad/s²

    Explanation:

    Given:

    ω₀ = 0 rad/s

    ω = 0.10 rev/s = 0.628 rad/s

    t = 20.2 s

    Find: α

    ω = αt + ω₀

    0.628 rad/s = α (20.2 s) + 0 rad/s

    α = 0.031 rad/s²
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