- What would the fourth dimension be like? Is there a fourth dimension?

Discover Questions

At points A &B of an equilateral triangle of arms 2m charges +2 and -2C are placed. Whats is the intensity at point C? Is memorizing words, or numbers for a memory test (ex; memorize 20 words and write them down) short or long-term memory? Is electricity more dangerous and destructive than fire? How do I find the tangent plane to surface?
I need to find the tangent plane at (3,4,-3) for the equation:
x^2+y^2-z^2-4xy+4xz=-68? Is 21 close to 30 and 40?