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  1. G

    Motion of a particle

    The motion of a particle moving in a circle in the x-y plane is described by the equations: r(t)=8.27, Θ(t)=8.58t Where Θ is the polar angle measured counter-clockwise from the + x-axis in radians, and r is the distance from the origin in m. a)Calculate the y-coordinate of the particle at the...
  2. G

    Block with Two Weights

    In the figure below, assume that the pulleys are massless and frictionless. https://www.physicsforums.com/attachment.php?attachmentid=4001&stc=1 23.png The masses of the blocks are Ma=1.50 kg, Mb=3.00 kg, Mc=5.00 kg, and there is friction between the horizontal plane and Mc, (μk≠0). Mc...
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