Answer on Mechanics | Relativity Question for Sarah
To do that we need to find acceleration of it.
Here it is
a=F/m = (F_a - mg)/m = (\rho_water * V * g - \rho_submarine * V * g)/\rho_submarine * V = g*(\rho_water/rho_submarine- 1) = g(1025/700 - 1) = 4.55 m/s^2
Now the distance is
s=at^2/ = 20.48 m
hence, the depth is 150-20.5 = 129.5
so, the pressure is \rho_water * g * h = 129.5*9.8*1025 = 1 300 827.5 Pa
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