A walker sees a rock fall from the top of a steep cliff and notices that it takes 1.5 seconds for the rock to fall the final third ( or 1/3) of the way. a) What is the height of the cliff in meters? b) In part (a) you get two roots to a quadratic equation and use one of them for your answer. What does the second root represent?
A walker sees a rock fall from the top of a steep cliff and notices that it takes 1.5 seconds for the rock to fall the final third ( or 1/3) of the way. a) What is the height of the cliff in meters? b) In part (a) you get two roots to a quadratic equation and use one of them for your answer. What does the second root represent?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section5.1: Vectors
Problem 3PP
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A walker sees a rock fall from the top of a steep cliff and notices that it takes 1.5 seconds for the rock to fall the final third ( or 1/3) of the way.
- a) What is the height of the cliff in meters?
- b) In part (a) you get two roots to a quadratic equation and use one of them for your answer. What does the second root represent?
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