A wave is characterized by the cyclic occurrences of crests and troughs. Wavelengthis defined as the distance between two consecutive troughs or two crests and the Frequency is defined as the number of cycles that pass through a point per second
        
             
        
        
        
Answer:
Option (2)
Explanation:
From the figure attached,
Horizontal component, 
![A_x=12[\text{Sin}(37)]](https://tex.z-dn.net/?f=A_x%3D12%5B%5Ctext%7BSin%7D%2837%29%5D)
      = 7.22 m
Vertical component, ![A_y=A[\text{Cos}(37)]](https://tex.z-dn.net/?f=A_y%3DA%5B%5Ctext%7BCos%7D%2837%29%5D)
     = 9.58 m
Similarly, Horizontal component of vector C,
 = C[Cos(60)]
  = C[Cos(60)]
      = 6[Cos(60)]
      = 
      = 3 m
![C_y=6[\text{Sin}(60)]](https://tex.z-dn.net/?f=C_y%3D6%5B%5Ctext%7BSin%7D%2860%29%5D)
     = 5.20 m
Resultant Horizontal component of the vectors A + C,
 m
 m
 = 4.38 m
 = 4.38 m
Now magnitude of the resultant will be,
From ΔOBC,

    = 
    = 
    = 6.1 m
Direction of the resultant will be towards vector A. 
tan(∠COB) = 
                   = 
                   = 
m∠COB = 
              = 46°
Therefore, magnitude of the resultant vector will be 6.1 m and direction will be 46°.
Option (2) will be the answer.
 
        
             
        
        
        
Answer:
the effects that a jet and the magnetic fields have on a ProStar Is : 
Explanation:
over the years scientist have found out that magnetic fields and the Jets carry away angular momentum , which helps the ProStar grow more in size . 
 
        
             
        
        
        
Answer:
Our drinking water comes from lakes, rivers and groundwater. For most Americans, the water then flows from intake points to a treatment plant, a storage tank, and then to our houses through various pipe systems. A typical water treatment process.
Explanation:
 
        
             
        
        
        
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