University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 2.13CYU: Check Your Understanding Find the angle between forces F1and F3in Example 2.16.
Related questions
Question
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A scuba diver training in a pool looks at his instructor as shown in the figure on the next page. The index of refraction of water is 1.33.
a. What angle does the ray from the instructor’s face make with the perpendicular to the water surface at the point where the ray enters? The angle between the ray in the water and the perpendicular to the water surface is 25.0°.
b. Find the height of the instructor’s head above the water.
c. How much time does it take light to travel from the scuba diver to the instructor’s head?
d. Find the apparent depth of the diver’s head below water as seen by the instructor.
Transcribed Image Text:'
2.0 m-
d = 2.0 m
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