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    Motion at a Fixed Point

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    Please see attachments for my question about a rotating radar antenna's angular velocity.
    Please use i, j and k vector coordinates to solve.

    © BrainMass Inc. brainmass.com November 30, 2021, 12:01 am ad1c9bdddf
    https://brainmass.com/physics/rotation/motion-fixed-point-15849

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    a)
    Because,
    (vA)y - (vB)y = r_dish*wx
    r_dish = radius of antenna dish
    => wx = (15-9)/10 = 6/10 = 0.6 rad/s (counter-clock wise)

    wz = (vB)y/r_arm
    r_arm = length of arm = ...

    Solution Summary

    The solution shows the step-by-step calculations to reaching the answer of the question posed on motion at a fixed point in the case of a rotating radar antenna.

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