A certain freely falling object, released from the rest, requires 2.5 s to travel the last 40 m before it hits the ground. What is the magnitude of the velocity of the object when it is 40 m above the ground.

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 45PP
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A certain freely falling object, released from the rest, requires 2.5 s to travel the last 40 m before it hits the ground. What is the magnitude of the velocity of the object when it is 40 m above the ground. 

 

        
3.3 m/s 

        
3.5 m/s downward


        
3.8 m/s 

        
4.2 m/s

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