Yah is an upper-class person; thus, it wouldn't fit into your previous post. :roll: By the way, it isn't that I'm correcting your spelling. I'm correcting your word usage.
It's also an exclamation that expresses derision, read all definitions, not just the one that assists you.
:lol: derision? Using it won't hurt me a bit. It makes this a little more amusing. Done posting here, I'm derailing OP's thread. My apologies op.
Now lets look at my string equation again E=1/2mv^2 level sloop until about 50% of light speed then exponential growth as you approach light speed mc^2=e then as you approach light speed e=mc^2. Then after light speed exponential decline to. 1/2mv^2=e