The stationary arm of a goniometer is place parallel to the…

The stationary arm of a goniometer is place parallel to the anterior midline of the humerus, the fulcrum is medial to the ulnar styloid process, and the movable arm is ventral aspect of the forearm, just proximal to the styloid process of the radius and ulna. What motion is MOST LIKELY being measured? (Slide 50)

Two ion molecules with unequal but same charges are depicted…

Two ion molecules with unequal but same charges are depicted in the following configuration. The bigger ion has a greater magnitude than the smaller one. In which of the three regions, will you be able to find a point with the net electric field due to these two ions is zero?