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Please put your room number if you need help. One of us will be there.

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Please put your room number if you need help. One of us will be there.

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How come velocity is zero near H=0 and maximum at H=h?

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Shouldnt the projection be multiplied by the original vector?

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Shouldnt the projection be multiplied by the original vector?

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Why do you have density in the equation for dm?

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Why do you have density in the equation for dm?

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In the equation we wrote before the divergence theorem it was simply rho.

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Please use this column to ask questions regarding today's lecture.

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Please use this column to ask questions regarding today's lecture.

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https://forms.office.com/Pages/ResponsePage.aspx?id=cgahCS-CZ0SluluzdZZ8Baq3zgFSSOBBsexpemR6rE5UOERaWFVPSEhVNUxKR1BWRlBDUzZQNk4wNi4u

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I did not understand how you got from the triple integral of pdv to the nabla(p*v)

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I did not understand how you got from the triple integral of pdv to the nabla(p*v)

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yes, thank you!

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okay great :)

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Could you repeat how you got the equation?

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Could you repeat how you got the equation?

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Okey, so you "ignore" ro in the second equation? Or what happens with it? And is D1 =A1?

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Is dV supposed to have a triple integral?

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So it would not matter if the container has a cylindrical or a cubic shape? it would be D1^2/D2^2 anyway right?

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So it would not matter if the container has a cylindrical or a cubic shape? it would be D1^2/D2^2 anyway right?

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Is what you just explained "projection"? Or am I misunderstanding?

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Is what you just explained "projection"? Or am I misunderstanding?

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går det ann å tegne n-vektoren på tegninga av systemet?¨

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Are the water beginning at the top of the cylindrical shape?

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Are the water beginning at the top of the cylindrical shape?

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Or must it fill up all the way until the coneshape?

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what are we using as boundaries in the integral? is it time or Area?

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what are we using as boundaries in the integral? is it time or Area?

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Can someone write an explanation of why the normalvector became area?

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Can someone write an explanation of why the normalvector became area?

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What about the volume in the tube before the cone?

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Do you not get a t in the right part of the equation?

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Do you not get a t in the right part of the equation?

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the last part you wrote, it says ^v3

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I meant on the left side, would you not get a t there as well? SInce you integrate the whole equation?

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I meant on the left side, would you not get a t there as well? SInce you integrate the whole equation?

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hvorfor deriverer i hele uttrykket med hensyn på t? i forrige oppgave så droppa vi jo bare første ledd pga. ingen tidsendring

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I think you forgot to close a parenthesis in one of the lines, so it is difficult to see where d/dt ends 

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I think you forgot to close a parenthesis in one of the lines, so it is difficult to see where d/dt ends 

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Is there a missing parentheses before you integrate?

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Under material derivate

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Is the pressure p in the middle of the fluid element? or is it p at the left side?

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Is the pressure p in the middle of the fluid element? or is it p at the left side?

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Can someone provide a more three-dimentional visual representation of Figure 2.6- 4 in the textbook? I cannot picture how the area is placed on the volume, or how the vectors are pointing relative to the area.

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When will the lecture notes from this lectures be posted on Blackboard?

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I did not quite understand how you got ro from m

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I did not quite understand how you got ro from m

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Is there a difference between steady state and steady flow? Or is it the same

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Is there a difference between steady state and steady flow? Or is it the same

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Why is it dv/ds now, and not delv/dels ?

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Why is it dv/ds now, and not delv/dels ?

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What was the equation for P_stagnation in the last slide?

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What was the equation for P_stagnation in the last slide?

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Why is p_2 not p_atm + rho*g*H?

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How to you get the gz-terms to cancel out? since we don't know z_S or z_B

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How to you get the gz-terms to cancel out? since we don't know z_S or z_B