Free fall with air resistance An object is dropped
Chapter 5, Problem 13E(choose chapter or problem)
Problem 13E
Free fall with air resistance An object is dropped straight down from a helicopter. The object falls faster and faster but its acceleration (rate of change of its velocity) decreases over time because of air resistance. The acceleration is measured in ft/sec2 and recorded every second after the drop for 5 sec, as shown:
t |
0 |
1 |
2 |
3 |
4 |
5 |
a |
32.00 |
19.41 |
11.77 |
7.14 |
4.33 |
2.63 |
a. Find an upper estimate for the speed when t = 5.
b. Find a lower estimate for the speed when t = 5.
c. Find an upper estimate for the distance fallen when t = 3.
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