3 Nov 2021
Problem 77
Page 47
Section: Problems
Chapter 2: Describing motion: Kinematics in one dimension
Textbook ExpertVerified Tutor
3 Nov 2021
Given information
As per the given information in question ,
- Initial velocity of the barometer,
- Acceleration due to gravity,
- Time measured by first student,
- Time measured by second student,
Step-by-step explanation
Step 1.
To determine the percentage difference that 0.3 s make for the estimates of the building’s height we will use Second equation of motion,
Second equation of motion:
Where, 
is the initial velocity, 
is the acceleration, 
is the time and 
is the displacement.
Let the height of the building measured by the 1st student be 
Let the height of the building measured by the 2nd student be 
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Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922
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