Lesson 2 - Answers to Suggested Problems
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 [These start on page 28.]
11. Uncertainty is a smaller number when the precision is
higher. Accuracy is not related to uncertainty.
Problems and Exercises [These start on page 29.]
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