Derive Eq. 5-21 from Eqs. 5-18 and 5-19. In Eq. 5-21 2f = 2i = 2

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Derive Eq. 5-21 from Eqs. 5-18 and 5-19.
In Eq. 5-21
ω2f = ω2i = 2α ∆θ
In Eq. 5-18
∆ω = ωf - ωi = α∆t
In Eq. 5-19
∆θ = 1/2(ωf + ωi) ∆t
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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