    C++_____________________________627

      -
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       :

void Ffconst char *const sPtr);

11.5.4     

         
.    ,     
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,    ,     V 
 ,    (, )   20. 
, ,    ,   (
  ,       ), -
: F=G*V*(P  20),  G    .

,   ,    :

double Arh(double V = 1, double P = 0.5, double PH20 = 1,

double G = 9.81)
( return G * V * (PH20 - P); }

      .  V  
  1 3,       0.5 /3 ( -
  ),   PH20    
1 /3,     G   9,81 /2.

        ,   
     . ,  
  

F = Arh() ;

  F         .

       () -
    .       -
          
  ,        .

,     

F = Arh(2) ;

  ,     2 3  
    .   

F = Arh(2,2.6);

  ,    ( 2.6 /3)
  2 3      . -
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  (     ).