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The measurements are not as precise as they could be because many peoples' response times are of the order of a tenth of a second. This makes it pointless to have a stopwatch recording times to a hundredth of a second.
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∙ 9y ago
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Explain how a series of measurements can be precise without being accurate?
yes
What determins the precision of a calculated result based on measurements?
the precision of the least precise measuement
Which one of the measurements is precise 1009mm56ft132in81yd?
1009 mm1009 mm1009 mm1009 mm
Why is precise measurements important?
It is important because PRECISE means exact, and exact measurements are important because it tells you the actual measurement of an object, other than to tell you an estimate, not knowing the exact measurement of that object
Why are measurements always uncertain?
Because the results we get when we calculate measurements are estimated or rounded up as some people say, so being around the true answer is called accurate. Also, the devices we use to measure ( scales are an example of this) are never actually perfectly precise in how they are set, plus they are not completely clean which can change your answer. this change would not seem to be alot though it's not the true or exact answer.
Which of the methods of timekeeping is the most precise?
stopwatch
Why is 8.1956 most precise measuring device?
It is not; there are more precise measurements.
Which two measurements are the most prrecise?
Radio-Telescope measurements are the most precise
Can a measurements be both precise and accurate?
yes...
What is the meaning of this sentence they observed precise measurements in constructing pyramids?
It means they (the builders, or architects) possessed/had very precise(exact) measurements when they were constructing (building) the pyramids.
What is the most precise measurment 6cm or 2.5cm?
2.5cm is the most precise measurement of the two measurements.
How precise are measurements to instruments?
They depend on the design of the instrument.
Why do you use a stopwatch instead of a clock in science?
Because stopwatches are more precise with seconds. They are also portable and easier to read.
A stopwatch is generally a more precise tool for measuring a length of time compared to the second hand of a wall clock?
true
Are precise measurements always accurate?
No. A broken clock gives a very precise time, but most of the time it is wrong.
If some measurements agree closely with each other but differ widely from the actual value these measurements are?
precise but unreliable.
Why should your calculations never be more precise than your measurements?
Your calculations can be more precise, but the final result should be rounded, to avoid giving the impression that it is more exact than is justified by the measurements.
