The boat travels downstream in 2/3 of the time as it does going upstream. If the velocity of the river current is 8 kph, determine the velocity of the boat in still water.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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Question: The boat travels downstream in 2/3 of the time as it does going upstream. If the velocity of the river current is 8 kph, determine the velocity of the boat in still water.

Rate / Motion Problems
Uniform Motion
unip
D = RT
D = distance
R = rate
T = time
Distance
4 rate
24/7
C = current # wind /air current
Distance covered when moving AGAINST the wind
L> rate of aircraft DECREASES when moving against the wind
R-C) T
لمالية yo
Distance traveled UPSTREAM:
2) rate
covered when moving WITH the wind:
of aircraft INCREASES when moving with the wind
:
D= (R+C) T
Distance traveled DOWNSTREAM
23 rate of ship boat INCREASES when moving downstream
D = R+C T
Jee
C= current оf wader
of
upstream
of ship boat DECREASES when moving
D=R-C T
Transcribed Image Text:Rate / Motion Problems Uniform Motion unip D = RT D = distance R = rate T = time Distance 4 rate 24/7 C = current # wind /air current Distance covered when moving AGAINST the wind L> rate of aircraft DECREASES when moving against the wind R-C) T لمالية yo Distance traveled UPSTREAM: 2) rate covered when moving WITH the wind: of aircraft INCREASES when moving with the wind : D= (R+C) T Distance traveled DOWNSTREAM 23 rate of ship boat INCREASES when moving downstream D = R+C T Jee C= current оf wader of upstream of ship boat DECREASES when moving D=R-C T
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