(a)
To find: The velocity after 5 seconds.
(a)
Answer to Problem 29E
The velocity is:
Explanation of Solution
Given information:
The object is shot straight upward from sea level with an initial velocity of
Calculation:
If an object is just being affected by gravity, then the velocity is changing by
The velocity was initially
The velocity after 5 seconds is then,
Therefore the required velocity after 5 seconds is
(b)
To find: The lower estimate for the height attained after 5 seconds.
(b)
Answer to Problem 29E
Lower estimate for the height attained after 5 seconds is
Explanation of Solution
Given information:
The object is shot straight upward from sea level with an initial velocity of
Calculation:
Apply PRAM with
Hence
Then,
Therefore,
Hence the required lower estimate for the height attained after 5 seconds is
Chapter 5 Solutions
AP CALCULUS TEST PREP-WORKBOOK
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