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  2. Percent Uncertainty of a spherical beach ball - Physics Forums

    www.physicsforums.com/threads/percent-uncertainty-of-a-spherical-beach-ball.39901

    The percent uncertainty of a spherical beach ball can be calculated by dividing the uncertainty of measurement by the actual value and multiplying by 100. For example, if the uncertainty of measurement is 0.5 cm and the actual value is 10 cm, the percent uncertainty would be (0.5 cm / 10 cm) x 100 = 5%. 3.

  3. Calculating Percent Uncertainty of Circle Area w/ Radius 1.8x10^4...

    www.physicsforums.com/threads/calculating-percent-uncertainty-of-circle-area-w...

    Jan 28, 2007. Percent Uncertainty. In summary, the conversation was about finding the percent uncertainty in the area of a circle with a radius of 1.8 x 10^4 cm. The equation A=Pi x r^2 was used to calculate the area, but there was uncertainty in the initial measurement of the radius. The uncertainty was estimated to be +/- 1 in the last ...

  4. Calculating Percent Uncertainty in Area of a Circle - Physics...

    www.physicsforums.com/threads/calculating-percent-uncertainty-in-area-of-a...

    Percent Uncertainty. In summary, the area of a circle with a radius of 3.8x10^4 cm is approximately 1.14x10^9 cm^2 with an uncertainty of +/- 5 cm. To find the percent uncertainty of the final answer, the percent uncertainty of the original value (32,000 cm +/- 5 cm) can be added to the percent uncertainty of squaring and multiplying by pi.

  5. Calculating Percent Uncertainty for Volume of a Beach Ball -...

    www.physicsforums.com/threads/calculating-percent-uncertainty-for-volume-of-a...

    1. What is the formula for calculating percent uncertainty for volume of a beach ball? The formula for calculating percent uncertainty for volume of a beach ball is (ΔV/V) x 100, where ΔV is the absolute uncertainty in volume and V is the measured volume. 2.

  6. Percent difference and uncertainty - Physics Forums

    www.physicsforums.com/threads/percent-difference-and-uncertainty.431036

    Percent difference and uncertainty are measures used in scientific experiments to evaluate the reliability and accuracy of data. Percent difference compares two values and expresses the difference as a percentage of the average value. Uncertainty measures the range of possible values for a particular measurement.

  7. Percent Uncertainty in Volume of Spherical Beach Ball - Physics...

    www.physicsforums.com/threads/percent-uncertainty-in-volume-of-spherical-beach...

    In summary, the conversation is about finding the percent uncertainty in the volume of a spherical beach ball with a given radius of 2.86m +/- 0.08m. The equation V = (4/3)pi r^3 is used to calculate the volume, and the resulting values are 97.9911 and 106.4463.

  8. Calculating Percent Uncertainty of Resistance at 25°C with 95%...

    www.physicsforums.com/threads/calculating-percent-uncertainty-of-resistance-at...

    This formula takes into account the uncertainty in both R0 and the temperature measurement. So, you will need to calculate the uncertainty in R0 first using the formula Wx = (Bx^2 + Px^2)^1/2, where Bx is the systematic uncertainty of R0 (which is 0.1% of R0) and Px is the random uncertainty of the temperature measurement (which is 0.1*C).

  9. How do you calculate percentage uncertainty? - Answers

    www.answers.com/chemistry/How_do_you_calculate_percentage_uncertainty

    Length = 12.5 ± 0.3 mm. Percentage uncertainty is calculated by taking the uncertainty value and dividing it by the measured value, then multiplying by 100 to express it as a percentage. The ...

  10. How to Calculate the Correct Percentage Uncertainty in Metal Pipe...

    www.physicsforums.com/threads/how-to-calculate-the-correct-percentage...

    Percent uncertainty is calculated by dividing the absolute uncertainty (the smallest increment that can be measured) by the measured value, and then multiplying by 100 to get a percentage. The formula is: % uncertainty = (absolute uncertainty/measured value) * 100. Why is percent uncertainty important in science? Percent uncertainty is ...

  11. How to calculate percentage uncertainties? Urgent

    www.thestudentroom.co.uk/showthread.php?t=2622706

    To calculate percentage uncertainty it's : ( (absolute uncertainty)/ (mean)) * 100. Note that when calculating anything, never round until the very end. So to calculate the percentage uncertainty you should use 0.25 rather than the rounded 0.3.