
Concept explainers
a)
To find: The time taken by the bomb to fall 180 ft.
The time taken by bomb to fall 180 feet is
Given Information:
An object in free fall will fall
Concept Used:
Use the formula
Calculation:
Substitute 180 for
Since time cannot be negative thus,
Therefore, it will take
b)
To find: How high was the airplane when the smoke bomb was dropped.
The airplane is at the height of 2500 feet.
Given Information:
An object in free fall will fall
The smoke bomb is in free fall for
Concept Used:
Use the formula
Calculation:
Substitute
Therefore, the airplane is at 2500 feet.
Chapter 1 Solutions
EBK PRECALCULUS:GRAPHICAL,...-NASTA ED.
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