Panel surface area =34m×46m=1,564m^2
total power =1564m^2×1390w/m^2
=2173960watts
now you must calculate total energy. 
 Energy = power×Time 
However time must be in seconds so we multiply 2hrs×60min×60s=7200seconds
7200s×2173960w =15,652,512,000 joules of energy
        
             
        
        
        
Flux=q/e0
e0=8.85*10^-12
!!! Cube has 6 sides, so flux through one side is equal to total flux/6
Ans=9.11*10^(-6)/((8.85*10(-12))*6)=(approximately)1.72*10^5Nm^2/C
        
                    
             
        
        
        
Answer:
The pressure is  
Explanation:
From the question we are told that 
    The initial pressure is 
    The  temperature is  
     
Let the first volume be   Then the final volume will be
 Then the final volume will be  
  Generally for a diatomic  gas 
            
Here r is the radius of the molecules which is  mathematically represented as 
     
Where  are the molar specific heat of a gas at constant pressure and  the molar specific heat of a gas at constant volume with values
 are the molar specific heat of a gas at constant pressure and  the molar specific heat of a gas at constant volume with values 
      
=>   
=>  
=>   ![P_2  =  [\frac{1}{2} ]^{\frac{7}{5} } * 11.2](https://tex.z-dn.net/?f=P_2%20%20%3D%20%20%5B%5Cfrac%7B1%7D%7B2%7D%20%5D%5E%7B%5Cfrac%7B7%7D%7B5%7D%20%7D%20%2A%2011.2)
=>  
 
        
             
        
        
        
Complete question:
A train has an initial velocity of 44m/s and an acceleration of -4m/s². calculate its velocity after 10s ?
Answer:
the final velocity of the train is 4 m/s.
Explanation:
Given;
initial velocity of the train, u = 44 m/s
acceleration of the train, a = -4m/s² (the negative sign shows that the train is decelerating)
time of motion, t = 10 s
let the final velocity of the train = v
The final velocity of the train is calculated using the following kinematic equation;
v = u + at
v = 44 + (-4 x 10)
v = 44 - 40
v = 4 m/s
Therefore, the final velocity of the train is 4 m/s.