Answer:
36km
Explanation:
Im pretty sure displacment is the start and finish in a straight line
 
        
                    
             
        
        
        
Static equilibrium means that all forces are equal, so make this easiest you want to break F1 into it's horizontal and vertical components. As there are no other forces acting in the horizontal, we know the horizontal component of F1 is 40N. This allows the vertical component to be found using pythagorus theorem. After finding the vertical and horizontal components, you just have to add the vertical components to find the difference between the up and down.
 
        
        
        
Answer:
   t = 1.77 s
Explanation:
The equation of a traveling wave is
        y = A sin [2π (x /λ -t /T)]
where A is the oscillation amplitude, λ the wavelength and T the period
the speed of the wave is constant and is given by
       v = λ f
Where the frequency and period are related
      f = 1 / T
we substitute
       v = λ / T
let's develop the initial equation
     y = A sin [(2π / λ) x - (2π / T) t +Ф]
where Ф is a phase constant given by the initial conditions
the equation given in the problem is
     y = 5.26 sin (1.65 x - 4.64 t + 1.33)
if we compare the terms of the two equations
  
          2π /λ = 1.65
           λ = 2π / 1.65
           λ = 3.81 m
          2π / T = 4.64
           T = 2π / 4.64
           T = 1.35 s
we seek the speed of the wave
            v = 3.81 / 1.35
            v = 2.82 m / s
            
Since this speed is constant, we use the uniformly moving ratios
           v = d / t
            t = d / v
            t = 5 / 2.82
            t = 1.77 s
 
        
             
        
        
        
Exercise is the answer hope i helped you 
        
             
        
        
        
Answer:
Because if they dont research first they will be unprepared
Explanation: