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Derive the three equation of rotational ...

Derive the three equation of rotational motion
(i) `omega = omega_(0) + at`
(ii) `theta = omega_(0)t + 1/2alpha t^(2)`
(iii) `omega^(2) = omega_(0)^(2) + 2alpha theta`
Under constant angular acceleration. Here symbols have usual meaning.

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Knowledge Check

  • If alpha, beta are the roots of x^(2) + px + q = 0, and omega is a cube root of unity, then value of (omega alpha + omega^(2) beta) (omega^(2) alpha + omega beta) is

    A
    `p^(2)`
    B
    3q
    C
    `p^(2) - 2q`
    D
    `p^(2) - 3q`
  • In the relation ( dy)/( dt) = 2 omega sin ( omega t + phi_(0)) , the dimensional formula for omega t + phi_(0) is

    A
    `MLT`
    B
    `MLT^(0)`
    C
    `ML^(0) T^(0)`
    D
    `M^(0) L^(0) T^(0)`
  • omega = alpha + i beta , beta ne 0 and ( omega - bar (omega)z)/(1 - z) is real, then z will satisfy :

    A
    `z : |z| ne 1`
    B
    `z : | z| = 1`
    C
    ` z : z ne 1`
    D
    ` z : z = bar(z)`
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