A rock takes 2.3s to hit the ground when it is thrown straight up from the cliff with an initial velocity of 7.9 m/s. How would you determine how long it would take to reach the ground if shown straight down with exact speed?
A rock takes 2.3s to hit the ground when it is thrown straight up from the cliff with an initial velocity of 7.9 m/s. How would you determine how long it would take to reach the ground if shown straight down with exact speed?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter3: Accelerated Motion
Section3.3: Free Fall
Problem 43PP
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A rock takes 2.3s to hit the ground when it is thrown straight up from the cliff with an initial velocity of 7.9 m/s.
How would you determine how long it would take to reach the ground if shown straight down with exact speed?
Solution that I managed to get was, 7.75.
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