Respuesta :
Answer:
Vy = -3.13j m/s
Vx = -7.36i m/s
Explanation:
Check the attachment for the diagram.
Velocity of Kaya = 8m/s
Direction of travel = S67° W
In component form, the velocity of Kaya will be resolved along both x components and y component
If she moves along the south, she will be moving in the -ve y-direction.
Vy = Vcostheta
Vy = -8 cos67°j
Vy = -3.13j m/s
If she moves along the west, she will be moving in the -ve x-direction
Vx = Vsintheta
Vx = -8sin 67°i
Vx = -7.36i m/s
Kayak's speed will be "Vy = -3.13j m/s" and "Vx = -7.36i m/s".
According to the question,
- Velocity of Kayak = 8 m/s
- Direction of travel = 67° W
When she moves along the south direction,
→ [tex]V_y = V \ Cos \theta[/tex]
By putting the values,
[tex]= -8 \ Cos 67^{\circ} j[/tex]
[tex]= -3.13 \ j \ m/s[/tex]
When she moves along the west direction,
→ [tex]V_x = V \ Sin \theta[/tex]
By putting the values,
[tex]= -8 \ Sin 67^{\circ} i[/tex]
[tex]= -7.36 \ i \ m/s[/tex]
Thus the response above is correct.
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