Lesson: Measurement UncertaintiesPhysics
In this lesson, we will learn how to convert between the absolute uncertainty and percent uncertainty in measured values.
Sample Question Videos
Worksheet: 17 Questions • 2 Videos
Suppose your bathroom scale reads your mass as 65.0 kg with a uncertainty. What is the uncertainty in your mass (in kilograms)?
What is the percent error of thinking the melting point of tungsten is instead of the correct value of 3,695 K?
A marathon runner completes a course of 42.188 km in 2.0 h, 30 min, and 12 s. There is an uncertainty of 25 m in the distance traveled and an uncertainty of 1.0 s in the elapsed time.
Calculate the percent uncertainty in the distance.
Calculate the percent uncertainty in the elapsed time.
What is the average speed in meters per second? Answer in 4 significant figures.
What is the uncertainty in the average speed?