Suppose you are standing such that a 32-foot tree is directly between you and the sun. If you are standing 175 feet away from the tree and the tree casts a 200-foot shadow, how tall could you be and still be completely in the shadow of the tree?

Suppose you are standing such that a 32-foot tree is directly between you and the sun. If you are standing 175 feet away from the tree and the tree casts a 200-foot shadow, how tall could you be and still be completely in the shadow of the tree?

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

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 43P: A 4.00-m-long pole stands vertically in a freshwater lake having a depth of 2.00 m. The Sun is 40.0°...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

Suppose you are standing such that a 32-foot
tree is directly between you and the sun. If you
are standing 175 feet away from the tree and
the tree casts a 200-foot shadow, how tall could
you be and still be completely in the shadow of
the tree?

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