A scuba diver is hovering at depth D below the surface of a calm lake, at noon. Looking upward he sees the bright sky compressed into a disk. Calculate the perceived angle between the vertical direction and the edge of the bright disk.

A scuba diver is hovering at depth D below the surface of a calm lake, at noon. Looking upward he sees the bright sky compressed into a disk. Calculate the perceived angle between the vertical direction and the edge of the bright disk.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter1: Introduction And Vectors

Section: Chapter Questions

Problem 70P

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

A scuba diver is hovering at depth D below the surface
of a calm lake, at noon. Looking upward he sees the bright sky
compressed into a disk. Calculate the perceived angle between the
vertical direction and the edge of the bright disk.
D = 5.5 m; give the angle in degrees. ]

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