Three very long current-carrying wires are arranged as nown in the figure. What is the force per unit length experienced y the wire in the middle? -21 A. С. 2nl В. al D.
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by Bartleby Expert- A uniform solid disk of mass M and radius R hangs from a string of length ℓ attached to a smooth vertical wall (see the figure attached). Calculate the tension in the string and the normal force acting at the point of contact of disk and wall.In the problem attached how do I find the magnitude of the torque on the wire segment?Show the derivation of power for rotational motion
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