At three corners of a square of side 2cm is placed a charge of 3*10^-6. what will be the resultant force if a point charge of 10^-6 is placed at the vacant corner of the square?

What is the length x of the side of the triangle below? (hint: use the cosine function)

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is