Suppose you were first to measure the value of some physical constant experimentally. How would you provide an estimate of the experimental uncertainty?
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Suppose you were first to measure the value of some physical constant experimentally. How would you provide an estimate of the experimental uncertainty?
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- (a) A person’s blood pressure is measured to be 1202mmHg . What is its percent uncertainty? (b) Assuming the same percent uncertainty, what is the uncertainty in a blood pressure measurement of 80 mm He?The radius of a circle is measured to be (10.5 0.2) m. Calculate (a) the area and (b) the circumference of the circle, and give the uncertainty in each value.Find the uncertainty in a calculated electrical potential difference from the measurements of current and resistance. Electric potential difference depends on current and resistance according to this function V(I,R) = IR. Your measured current and resistance have the following values and uncertainties I = 8.1 Amps, SI = 0.8 Amps and R = 39.7 Ohms and SR = 0.4 Ohms. What is the uncertainty in the SV?|
- Suppose you were first to measure the value of some physical constant experimentally. How would you provide an estimate of the experimental uncertainty?Why do you think it is important to include uncertainty in a measurement in a lab setting?Find the uncertainty in a calculated electrical potential difference from the measurements of current and resistance. Electric potential difference depends on current and resistance according to this function V(I,R) = IR. Your measured current and resistance have the following values and uncertainties I = 9.3 Amps, 61 = 0.4 Amps and R = 20.3 Ohms and SR = 0.8 Ohms. What is the uncertainty in the , SV? Units are not needed in your answer.
- Using the relation V = I R, you want to find the largest source of uncertainty in calculating V and know that the uncertainty on I is 0.5mA and the uncertainty on R is 3Ohms. It must be true that R is the larger source of uncertainty because it is a larger value. true or falseAccording to a mathematical model, the spring constant k, of a spring can be written as: k = 4² m T² where T is the period of oscillation of a mass m attached to a spring. You obtained the slope of a straight trendline from a plot of T² vs m, and estimated the uncertainty of this slope by drawing minimum and maximum slope lines (i.e. min-max method). Your result is slope = 9.841 [units] ± 0.0725 [units], where units represent the appropriate units. Assume your calculated value of k is 4.012 [units]. What will be the uncertainty in k? 0.296 [units] O 0.0725 [units] 0.00737 [units] O 0.0296 [units]In an experiment to understand the concepts of potential and kinetic energies, as shown below, suppose, you are making some errors while making the measurement. Initial Height H Final Height H If the weight used in the experiment is having an uncertainty of 1.9+ 0.01 N, the initial height is measured, with an uncertainty of 40 + 0.06 cm and the final height with an uncertainty of 28.1 + 0.06 cm. (Potential energies are calculated by the formula weight x height) Calculate, 1) The absolute uncertainty in the calculated value of Initial Potential Energy (in Joules) = 2) The absolute uncertainty in the calculated value of Final Potential Energy (in Joules) = 3) The absolute uncertainty in the calculated value of Loss of Potential Energies (in Joules) =
- What is the volume and its approximate uncertainty of a sphere of radius 1.96 +- 0.0m?a) A simple spring is used to measure force. The spring is considered to be linear, so the F = kx, where F is the force in Newton, k is the spring constant in Newton per centimeter, and x is displacement in cm. If x = 20.0 ± 1.25 cm andk 800 ± 16 N/cm, %3D calculate the maximum possible error and the uncertainty of the measured force in absolute (dimensional) and relative (%) terms.In an experiment to understand the concepts of potential and kinetic energies, as shown below, suppose, you are making some errors while making the measurement. Initial Height H. Final neight H, If the weight used in the experiment is having an uncertainty of 1.1 0.02 N, the initial height is measured, with an uncertainty of 55 0.07 cm and the final height with an uncertainty of 23.5 t 0.07 cm. (Potential energies are calculated by the formula weight x height) Calculate,