Concept explainers
a.
To calculate how long after jumping did parachutist release parachute.
a.
Answer to Problem 22PPS
7 seconds
Explanation of Solution
Given information:
Free fall height equation:
Height after releasing parachute equation:
Formula used:
x are roots of quadratic equation
a, b and c are constants
Calculation:
Free fall height equation:
Height after releasing parachute equation:
Functions are continuous
Then,
Substituting value of
On solving,
Using formula
On solving,
On solving,
Two values of x
On solving,
Then, approximate value of x
b.
To calculate height when parashutist release parachute.
b.
Answer to Problem 22PPS
Explanation of Solution
Given information:
Free fall height equation:
Height after releasing parachute equation:
Calculation:
Free fall height equation:
Height after releasing parachute equation:
As Substituting
Height when parachutist released parachute
On solving,
Chapter 9 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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