Physics: Using the variable definitions above, compute the force exerted on a single leg, of a perfectly stationary platform, by waves moving at a velocity of 12 m/s. the waves are not accelerating at and the coefficients of drag and inertia are 0.73 and 0.34, respectively. the cross sectional area of one leg is 879 msquared and the volume of a leg is 9813 msuperscript nothingcubed. the density of the water is 1002 kg/mcubed. compute the force exerted on the leg of the platform.

Using the variable definitions above, compute - id3237113, amberlynnwallac7808

Ответ:

stackpoolekrysp71si4

06.01.2022

Physics

46292640.48 N

Explanation:

a = Accelration of the water = 0

A = Cross sectional area = $879\ m^2$

$\rho$ = Density of water = $1002\ kg/m^3$

u = Velocity of water = 12 m/s

V = Volume of body = $9813\ m^3$

C_d = Drag coefficient = 0.73

C_m = Inertia coefficient = 0.34

$F=\rho C_mVa+\frac{1}{2}\rho C_dAu^2\\\Rightarrow F=1002\times 0.34\times 9813\times 0+\frac{1}{2}\times 1002\times 0.73\times 879\times 12^2\\\Rightarrow F=46292640.48\ N$

The force exerted on the leg of the platform is 46292640.48 N

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