Anonymous
Anonymous asked in Science & MathematicsPhysics · 2 months ago

Physics202 help?

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  • Anonymous
    2 months ago

    a)

    m a d = 1/2 m (v^2 - v0^2)a =  (v^2 - v0^2)  / (2 d)a = (4 - 25) / (2 * 10) = - 1.05 m/s^2

    b)

    t = s / v

    t = n (2 π r) / (w r) = n 2 π / w

    t = 10 * 2 * 3.14 / 2 = 31.4 s

    c)

    v = w r 

    v = 2 * 0.5 = 1 m/s

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