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What is the percent uncertainty in the area of a circle whose radius is 1.8 x 104 cm?
There are two ways of answering this questionCalculus Let A denote the area and r the radius.Then A = pi*r2 = pi*1.8*104cm = 1,017,876*103 cm2Now "error" = dA = pi*2r*dr where dr is the error in the measurement of the radius = 0.05*104 = 500 cm.So dA = 56,549*103 cm2.Therefore, percentage error = 100*dA/A = 5.55... (recurring) %Explicit calculationr = 1.8*104 cm. Therefore the range for radius is 17,500 to 18,500 cm.That gives an area of 1,017,876*103 cm2 with a range of962,113*103 to 1,075,210*103 cm2That gives an average absolute error of 56,549*103 cm2 and as before, the percentage error is 5.55... %.
What is a green triangle in Excel?
it means an error in the cell formula. http://www.bestjobsmagazine.com/ -- click to find some jobs
If the actual length is 76.49 cm what is the percent error for the measurement 76.48 cm?
|76.48-76.49|÷76.49=0.013%
A box with a square base has its height twice its width.If the width of the box is 8.5 inches with a possible error of 0.3 inches find the possible error in the volume of the box.?
Area of base lies between 8.2 x 8.2 and 8.8 x 8.8 ie between 67.24 and 77.44. Height between 16.4 and 17.6 so volume lies between 16.4 x 67.24 and 17.6 x 77.44 ie between and 1102.736 and 1362.944 cuinches, a possible error of 260 and a bit cuinches
How do you find the volume of a golf ball?
Knowing the diameter of the ball allows you to calculate it. Using displacement of water allows to directly calculate it. Using direct measurement eliminates the error caused by the "dimples" on the ball's surface. (The minimum legal size for a ball has a volume of about 2.482 cubic inches or 40.68 cm3.)How to computeV = 4/3 (pi) r3 (4 x 3.1416 x radius cubed)How to measureThe easiest way to check would be to put a golf ball in a beaker of water. Fill a 200 ml beaker with water, and place the ball in it. Catch the overflow in another measured beaker. Since water is almost exactly 1 ml = 1 cc, the liquid displaced by the completely submerged ball will provide a close estimate of its volume in cm3.
How do you calculate span error?
For a relative error maybe it is: (Vout_hi - Vout_lo) / (Vout_hi_nom - Vout_lo_nom) - 1
Why do you need to calculate standard deviation and relative error?
to ensure your experiment is precise and to prevent error to happen during experiment
The ratio of an error to an accepted value is called what?
its a percent error * * * * * No, it is the relative error. When that is multiplied by 100 it becomes a percentage error.
What does your value of relative error mean?
The relative error measurements indicates the quality of a measurement relative to the quantity of the object being measured. To derive the relative error, divide the absolute error by the value of the object being measured.
What relative error?
percent error
What is the value of relative error if the absolute error is 10?
The relative error depends on the true value of the measurement. That information has not been provided.
The height of a plant is 45 cm with an estimated absolute error of 0.9 cm what percent is the relative error?
To get the relative error is the maximum error over the measurement. So the maximum error is the absolute error divided by 2. So the maximum error is 0.45. The relative error is 0.45 over 45 cm.
What is relative errors?
Percent error.
What is the error bound and the relative error bound for 3.457?
The error bound is half of the last digit = ±0.0005 The relative error is ±0.000145 or ±0.0145%
What is the absolute error for 56 - 0.70?
55.3
Can the relative error be negative?
It can be.
Can the error be positive or negative in finding relative error?
Yes.
