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Concept explainers
Kenny Klutz drops his physics book off his aunt’s high-rise balcony. It hits the ground below 1.5 s later.
a. With what speed does it
b. How high is the balcony? Ignore air drag.
a.
![Check Mark](/static/check-mark.png)
The speed with which the physics book hits the ground below
Answer to Problem 56A
Explanation of Solution
Given:
The time taken,
Formula used:
The instantaneous speed in free fall at a time
where,
Calculation:
Using the above mentioned formula and given value, the speed with which the physics book hit the ground below will be,
Conclusion:
Hence, the speed with which the physics book hits the ground below is
b.
![Check Mark](/static/check-mark.png)
The height of the balcony above the ground.
Answer to Problem 56A
Explanation of Solution
Given:
The time taken,
Formula used:
The distance covered in free fall in a time
where,
Calculation:
Using the above mentioned formula and given value, the height of the balcony above the ground will be,
Conclusion:
Hence, the height of the balcony is
Chapter 4 Solutions
Conceptual Physics: The High School Physics Program
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