Introduction to Physics Primer 

Lesson 2 - Answers to Suggested Problems

by Jason Harlow


After you have had a chance to try the suggested end-of-chapter conceptual questions, problems and exercises, you can check your answers against mine below. (Please alert Jason Harlow jharlow@physics.utoronto.ca if you notice any errors in the answers.)


Conceptual Questions
11. Uncertainty is a smaller number when the precision is higher.  Accuracy is not related to uncertainty.


Problems and Exercises

15. (a) 76,000,000 (b) 75,700,000 (c) 75,700,000
16. 67 mL

17. (a) three (b) three (c) three

23. 2.8 hours