A sailboat floats in a current that flows due east at 9 m/s. Due to a wind, the boat's actual speed relative to shore is 93 m/s in a direction 30° north of east. Find the speed and direction of the wind. Let c represent the current; this means that |c| is the speed of the moving water and c points in the direction of the moving water. Assume that the vector w gives the speed and direction of the wind and the vector v, gives the speed and direction of the sailboat relative to the shore. Which equation below represents w in terms of c and v,? O A. w=vg +C O B. w=V9 -C O C. w=V9 O D. w=V9 - 2.c The speed of the wind is V in the direction of
A sailboat floats in a current that flows due east at 9 m/s. Due to a wind, the boat's actual speed relative to shore is 93 m/s in a direction 30° north of east. Find the speed and direction of the wind. Let c represent the current; this means that |c| is the speed of the moving water and c points in the direction of the moving water. Assume that the vector w gives the speed and direction of the wind and the vector v, gives the speed and direction of the sailboat relative to the shore. Which equation below represents w in terms of c and v,? O A. w=vg +C O B. w=V9 -C O C. w=V9 O D. w=V9 - 2.c The speed of the wind is V in the direction of
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:A sailboat floats in a current that flows due east at 9 m/s. Due to a wind, the boat's actual speed relative to shore is 9/3 m/s in a direction 30° north of east. Find the speed and direction of the wind.
Let c represent the current; this means that c| is the speed of the moving water and c points in the direction of the moving water. Assume that the vector w gives the speed and direction of the wind and the vector v, gives the speed
and direction of the sailboat relative to the shore. Which equation below represents w in terms of c and v,?
O A. w=Vg + C
O B. w=vg - c
O C. w=Vg
O D. w=vg -2•c
The speed of the wind is
V in the direction of
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