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28 January, 10:10

The moment of inertia of a cylinder is 0.016 kg m^2 with radius 6.0 cm. If the cylinder has a linear speed is 7.7 m/s, what is the magnitude of the angular momentum of the cylinder?

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  1. 28 January, 10:39
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    2.05 kgm²/s

    Explanation:

    I = moment of inertia of cylinder = 0.016 kgm²

    r = radius of the cylinder = 6 cm = 0.06 m

    v = linear speed of the cylinder = 7.7 m/s

    w = angular speed of cylinder

    Using the equation

    v = r w

    7.7 = (0.06) w

    w = 128.33 rad/s

    Magnitude of angular momentum of the cylinder is given as

    L = I w

    L = (0.016) (128.33)

    L = 2.05 kgm²/s
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