Dec 13, 2020 · The discussion centers on the appropriate number of significant figures (s.f.) to retain when calculating square roots, specifically using the example of , which has 2 s.f. …

Feb 19, 2009 · I NEED TO GET A DERIVATION SO THAT I CAN MATHEMATICALLY UNDERSTAND WHY: The peak voltage or current is divided by square root 2 to get the root …

Mar 12, 2025 · What is the value of 1 / sqrt 2 and how does it relate to mathematical calculations? The value of 1 divided by the square root of 2 is approximately 0.707.

Mar 6, 2010 · Consider square root of 4. Can square root of 4 be +2 or -2? I asked that to my math teacher so he said: NO, square root of 4 is +2! But I can't really understand why it cannot …

Feb 26, 2025 · The root mean square (RMS) voltage is 0.707 times the peak voltage for a sinusoidal waveform because of the mathematical relationship between peak and RMS …

Apr 22, 2010 · Hi, I'm not sure how to word my question, so I will just state it upfront. What is the importance of \upsilon = \sqrt {2gh} in physics? I've seen it...

Jul 6, 2007 · I'm confused on the graph: y=\\sqrt{x}-4 I know the x- and y-intercepts which are: (0,-4) and (16,0) but I don't know if the graph extends to the negative x (3rd Quad). You can never …

Feb 16, 2025 · To find the square root of a number, you can use a calculator or a mathematical formula. The square root of a number is a value that, when multiplied by itself, gives the …

Feb 9, 2013 · Hi, Is is correct to say that the logarithm of base 2 of a number x, is the same thing as the square root of a number x?

May 17, 2004 · The square root of pi is approximately 1.777245, but the discussion centers on the complexities of determining roots of irrational numbers, particularly transcendental ones like pi. …