If V 1= 180 sin(wt) and V2 =150cos(wt) find the total v
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This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

The magnets would be | n s | and | s n|