Concept explainers
a.
To calculate the time taken by the space craft.
a.
Answer to Problem 97PFA
18 seconds
Explanation of Solution
Given:
Formula:
Calculation:
Given that the time is modeled by
Substituting the values of r and g,
Conclusion:
Therefore the time taken is approximately 18 seconds.
b.
To calculate the gravity after 20 seconds.
b.
Answer to Problem 97PFA
Explanation of Solution
Given:
Formula:
Calculation:
Given that the time is modeled by
Substituting the values of r and t,
Conclusion:
Therefore, the gravity at 90 meters after 20 seconds is
Chapter 7 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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