answer
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Hello, need help to till the table. Can you please check if. the answer is correct?
Transcribed Image Text:WCLN PCMath 12 - Rev. 2019
2. Lenny Leonardson can paddle in still water at a speed of 4 km/h. He paddles 8 km upstream
against the current and then paddles 8 km back downstream with the current. The total trip takes
5 h. What is the speed of the current? You may find it helpful to fill in the chart. Give your
answer to two decimal places.
distance
distance
speed =
distance = speed x time
time =
time
speed
Against Current
With Current
Total
Speed
Time
Distance
5hr
Let
spee d of
current
Km /h
&Cutr) + & c4-x)
(4-x)
cutr)
=D>
32 82 4 32-8I
16-
64
16-x2
C16-22) X S = 64
80-5x =64
S22
80-64
%3D
16
km/h
1.79 km/h
option
介
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