Concept explainers
To find: The direction and speed of the wind.
Answer to Problem 105E
Explanation of Solution
Given: An airplane is flying in the direction
First draw component of speed of plane and speed of plane w.r.t to wind as shown in diagram.
First write airplane speed in form of component.
Now, write the speed of plane w.r.t wind in form of component.
Now, find the speed of wind using above velocity.
Let velocity of wind be
Speed of wind,
Direction of wind,
Hence, the speed of wind is 130 km/h and direction
Chapter 6 Solutions
Precalculus with Limits: A Graphing Approach
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