Practice Problems
Work through the odd-numbered problems 1-19. Once you have completed the problem set, check your answers.
Answers
1. See Fig. 1.
5. and . Then or . Therefore, (when is close to ).
9. (a) Area base (height . Then so Then .
(b) (base)(height) . Then the actual difference .
11. and . Since , we have . We know so, using , we have and . The required tolerance is (C.W. comment: "A coin high is one hell of a coin! My eyeball estimate is that of gold weighs around 2 pounds").