It would be, 1.000. Hope that helps :)
To solve this problem it is necessary to apply the continuity equations in the fluid and the kinematic equation for the description of the displacement, velocity and acceleration.
By definition the movement of the Fluid under the terms of Speed, acceleration and displacement is,
![v_2^2 = v_1^2 + 2gh](https://tex.z-dn.net/?f=v_2%5E2%20%3D%20v_1%5E2%20%2B%202gh)
Where,
Velocity in each state
g= Gravity
h = Height
Our values are given as,
![A_1 = 2.4*10^{-4} m^2](https://tex.z-dn.net/?f=A_1%20%3D%202.4%2A10%5E%7B-4%7D%20m%5E2)
![v_1 = 0.8 m/s](https://tex.z-dn.net/?f=v_1%20%3D%200.8%20m%2Fs)
![h = 0.11m](https://tex.z-dn.net/?f=h%20%3D%200.11m)
Replacing at the kinetic equation to find
we have,
![v_2 = \sqrt{v_1^2 + 2gh}](https://tex.z-dn.net/?f=v_2%20%3D%20%5Csqrt%7Bv_1%5E2%20%2B%202gh%7D)
![v_2 = \sqrt{(0.8 m/s)^2 + 2(9.80 m/s2)(0.11 m)}](https://tex.z-dn.net/?f=v_2%20%3D%20%5Csqrt%7B%280.8%20m%2Fs%29%5E2%20%2B%202%289.80%20m%2Fs2%29%280.11%20m%29%7D)
![v_2= 1.67 m/s](https://tex.z-dn.net/?f=v_2%3D%201.67%20m%2Fs)
Applying the concepts of continuity,
![A_1v_1 = A_2v_2](https://tex.z-dn.net/?f=A_1v_1%20%3D%20A_2v_2)
We need to find A_2 then,
![A_2= \frac{A_1v_1 }{v_2}](https://tex.z-dn.net/?f=A_2%3D%20%5Cfrac%7BA_1v_1%20%7D%7Bv_2%7D)
So the cross sectional area of the water stream at a point 0.11 m below the faucet is
![A_2= \frac{A_1v_1 }{v_2}](https://tex.z-dn.net/?f=A_2%3D%20%5Cfrac%7BA_1v_1%20%7D%7Bv_2%7D)
![A_2= \frac{(2.4*10^{-4})(0.8)}{(1.67)}](https://tex.z-dn.net/?f=A_2%3D%20%5Cfrac%7B%282.4%2A10%5E%7B-4%7D%29%280.8%29%7D%7B%281.67%29%7D)
![A_2= 1.14*10^{-4} m2](https://tex.z-dn.net/?f=A_2%3D%201.14%2A10%5E%7B-4%7D%20m2)
Therefore the cross-sectional area of the water stream at a point 0.11 m below the faucet is ![1.14*10^{-4} m2](https://tex.z-dn.net/?f=1.14%2A10%5E%7B-4%7D%20m2)
Answer:
When she stops at a fast pace the energy and wind will take the cup forward and it will most likeley brake
Explanation:
I'm not entirely sure this is what you were looking for but I hope this helped!
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