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In the figure here, three particles of mass m = 0.027 kg are fastened to three rods of length d = 0.13 m and negligible mass. The rigid assembly rotates about point O at angular speed ? = 0.90 rad/s. About O, what are
(a) the rotational inertia of the assembly,
(b) the magnitude of the angular momentum of the middle particle, and
(c) the magnitude of the angular momentum of the assembly?
why the mass of the dishwater is large enough. If vector B is added to C = 2.0 ihat + 3.0 jhat, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of C. What is the magnitude of vector B.
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A 44.20 cm diameter disk rotates with a constant angular acceleration of 2.84 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at t..
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