Joke of the Week: White Hairs

Problem of the Week: Scales

## Joke of the Week

One day, a little girl is sitting and watching her mother do the dishes at the kitchen sink. She notices that her mother has a few white hairs."Why are some of your hairs white, Mom?" she asks.

Her mother replies, "Every time you do something wrong, one of my hairs turns white."

Source:www.justcleanjokes.com

## Problem of the Week

What flight height would be required to produce vertical photographs with a scale of 1:12,000 over level terrain if the average elevation is 3300 ft and the focal length of the camera is 8 in?

(A) 8200 ft

(B) 10,000 ft

(C) 11,300 ft

(D) 15,300 ft

This is problem 32 (8-4) from the NEW third edition of “Surveying Solved Problems for the FS and PS Exams” by Jan Van Sickle, PLS (formerly "1001 Solved Surveying Fundamentals Problems"). Reprinted with permission from “Surveying Solved Problems for the FS and PS Exams” by Jan Van Sickle, PLS (2008 Professional Publications Inc.). For details on this and other FLS exam-prep books, call 800/426-1178 or visit www.ppi2pass.com.