Why is a universal system of measurement necessary in science?
The scientific community needs to communicate.
When multiple systems of measurement are used, a universal system makes it easier to compare measurements made by various people and less confusing.
Here's an actual case of the kind of confusion that can happen.
When an Air Canada Boeing 767's fuel gauges malfunctioned in 1983, the ground crew had to figure out the fuel load of the aircraft by hand. They used a method akin to measuring an oil car's volume and taking a dipstick reading to get the volume. However, since airlines measure fuel by mass, they needed to know the density of jet fuel to make the right calculations.
Only a nearby abandoned Air Force base was a viable landing spot; the crew performed a remarkable dead-stick glider landing; the passengers suffered only minor injuries as they used the plane's emergency exits; the ground crew used 1.77 lb/L as the density, as they had on all other planes in the fleet; however, the brand-new 767 was metric and used 0.8 kg/L as the density. The plane had about half the fuel the crew believed they had.
This amazing tale can be read at https://tutor.hix.ai
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A universal system of measurement is necessary in science for several reasons:
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Consistency: It allows for consistent and standardized communication of experimental results and observations among scientists worldwide.
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Reproducibility: With a universal system of measurement, experiments can be replicated accurately by other researchers, ensuring the reliability and validity of scientific findings.
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Comparison: Scientists can compare data collected from different experiments or studies, even if conducted by researchers from different countries or using different equipment, because they use the same measurement system.
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Precision: A standardized measurement system facilitates precise and accurate measurements, which are essential for making meaningful scientific conclusions and predictions.
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Progress: A universal system of measurement promotes collaboration and progress in science by enabling researchers to build upon each other's work and develop new theories, technologies, and discoveries.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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- A temperature of 104°F equals what temperature on the Kelvin scale?
- How do you convert 4.72 gallons to milliliters if 946 mL = 1 qt?
- What is the volume of 64 g of water?
- CsBr crystallises in a body-centred cubic (bcc) lattice. The unit cell lengt is 436.6pm. Given that the atomic mass of Cs= 133u and that of Br=80u. What will be the density of CsBr? a) 0.425g/cm^3 b) 8.25g/cm^3 c) 42.5g/cm^3 d) 4.25g/cm^3

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