Concept explainers
The difference in the estimates of building height in the given time.
Answer to Problem 84GP
6.3 m
Explanation of Solution
Given:
Initial velocity of the barometer as it is dropped
Time of travel noted by one student for barometer
Time of travel noted by other student for barometer
Height of the building as noted by one student
Height of the building as noted by other student
Vertical displacement of barometer as noted by one student
Vertical displacement of barometer as noted by other student
Acceleration experienced by the barometer during free fall
Difference in the heights of building noted by two students
Formula Used:
Displacement of an object in constant accelerated motion for a given time interval is given as
Calculation:
Consider the motion of the barometer as observed by one student.
Displacement of the barometer is given as
Substituting the values
Consider the motion of the barometer as observed by other student.
Displacement of the barometer is given as
Substituting the values
Difference in the heights of building is given as
Conclusion:
Therefore, the difference in the estimates of height is
Chapter 2 Solutions
Physics: Principles with Applications
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