Awire having a mass per unit length of 0.50 g/cm carries a 2.0-a current horizontally to the south. what are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward?

answer; /// i believe that the correct answer is (c)

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

b.a device that inputs heat into a cool object

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this