//Example 3-12 Overflow From Water Tank During Acceleration
h = 80 //height of fish tank [cm]
b_1 = 2 //one of the cross-sectional dimension of fish tank [m]
b_2 = 0.6 //other cross-sectional dimension of fish tank [m]
V_0 = 0 //initial velocity of truck [km/h]
V_1 = 90 //velocity of truck after 10 s [km/h]
t = 10 //duration of acceleration of truck [s]
g = 9.81 //gravitaional acceleration [m/s^2]
a_z = 0 //other acceleration in Z direction [m/s^2]