A person walks out an unknown distance from a building of height 18 m and shines a flashlight beam towards its top. He finds that when the beam is elevated at an angle of 37° with respect to the horizontal, the light strikes the top of the building. Find (i) the distance walked by him and (ii) the distance the flash light beam has to travel before it strikes the top of the building.

A person walks out an unknown distance from a building of height 18 m and shines a flashlight beam towards its top. He finds that when the beam is elevated at an angle of 37° with respect to the horizontal, the light strikes the top of the building. Find (i) the distance walked by him and (ii) the distance the flash light beam has to travel before it strikes the top of the building.

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

Chapter9: Relativity

Section: Chapter Questions

Problem 3OQ

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