21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of the cliff, and it takes 5.25 seconds to hit the ground at the bottom of the cliff. How tall is the cliff? (choose the correct number of significant figures) m

21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of the cliff, and it takes 5.25 seconds to hit the ground at the bottom of the cliff. How tall is the cliff? (choose the correct number of significant figures) m

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 40P: Find the horizontal and vertical components of the 100-m displacement of a superhero who flies from...

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21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of the cliff,
and it takes 5.25 seconds to hit the ground at the bottom of the cliff. How tall is the cliff? (choose the
correct number of significant figures)
m

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