Page 29 - Fluida
P. 29

Fluida Statis




                                                       KUNCI JAWABAN
               TUGAS 1


               1.  Diketahui :
                               3
                                     3
                      = 1 gr/cm  = 10  kg/m 3
                                2
                    g = 10 m/det
                    h = 20 cm = 0,2 m

                    Ditanya : P

                    Jawab :
                    P  
                         gh
                          3
                    P  10  10    2 , 0
                    P  2  10 N  / m 2
                              2
                 2.  Diketahui:
                    r = 1 cm = 0,01 m
                                 2
                    g = 10 m/det
                                  3
                                                   3
                                            3
                     b = 12 gr/cm = 12 × 10  kg/m
                                3
                                          3
                     f  = 3 gr/cm = 3 × 10  kg/m 3
                               3
                      = 8 × 10  Ns/m 2
                    Ditanya : v
                    Jawab:

                                     2
                          ( 2      ) g
                                    r
                     v     b     f
                               g
                          ( 2  12   ) 3  10 3 .(  , 0  01 ) 2 ( 10 )
                     v 
                               10  8 (  10 3 )
                                 
                     v   , 2  25 10 m / det
                                  4
                 3.  Diketahui:

                    h  = 5 m
                             2
                    A = 50 m
                            5
                    P o = 10  Pa
                               2
                    g  = 10 m/s
                                   2
                    ρ  = 1000 kg/m
                    Ditanya: P total




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