A light-year is a way of measuring astronomical distances in space. That doesn't make much sense because "light-year" contains the word "year," which is normally a unit of time. Even so, light-years measure dis
Suppose that the length of an object is measured multiple times. Assuming that random errors are the only source of error. Does increasing the number of measurements change the standard deviation for the set? Explain. Describe a method to measure small a...
In this article, we'll demystify the break-even definition and show you exactly how to calculate it so you can better reach your business goals and measure success.What is a break-even point? A break-even point is the point at which your total business cost is equal to your total busine...
There’s a number of different ways to measure IQ, but all of them are associated with doing well in school, earning more money, having greater income later in life, but yet that average score has gone up by 30 points. If you were to rescore people from 1900 by modern standards, they...
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While we don’t really want to go down the rabbit hole of technicalities as the team is rather far off from quantum physics, as far as we understand it, this is not just a better and faster way of computing – it has a fundamentally different basis. Just as with the candle and the ...
The GCS is important as a standard measure for all patients and can be done serially if necessary in the event of deterioration in conscious state. The Maddocks questions and cervical spine exam are critical steps of the immediate assessment; however, these do not need to be done serially. ST...
Define a standard candle. How do we measure Dark Matter? What is a light meter? Explain its uses. Why is it possible to hold a lighted match stick until the flame burns quite close to the fingers? What are the main criteria to obtain Luminescence?. ...
What is a candela? A candela (cd) is the measure of light intensity in a given direction. It is the unit of luminous intensity as prescribed by the International System of Units. One candela is about what a common wax candle gives off, which explains the fact that this used to be refe...
The astronomers were observing these so-called "standard candle" supernovas to attempt to measure the rate of universal expansion — called the Hubble constant. What they found was more distant supernovas that had exploded when the universe was much younger were fainter than expected. Thi...