U-Rohr-Schwingung
About points...
We associate a certain number of points with each exercise.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.
That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.
That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.
About difficulty...
We associate a certain difficulty with each exercise.
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.
That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:
Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise
Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise
Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise
Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise
Level 5 -
Level 6 -
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.
That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:
Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise
Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise
Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise
Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise
Level 5 -
Level 6 -
Question
Solution
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Video
\(\LaTeX\)
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Exercise:
In einem U-Rohr mit einer Querschnittsfläche von A.sicm^ werden sig Quecksilber varrhosikg/m^ um sicm ausgelenkt. Das Quecksilber nt im Rohr zu schwingen. enumerate item Zeigen Sie dass es sich hierbei um eine harmonische Schwingung handelt. Tipp: Schweredruck s. Formelhefte unter «Deformierbarer Körper» oder «Hydrostatik Druck Dichte»! item Wie gross ist die Schwingungsdauer? enumerate center tikzpicturescale. drawcolorgreen!!black dashed --- noderight Ruhelage; filldrawfillblue!!white drawblue ---- --- arc -:: -- ---- to controls+:. and +:. ------ arc :-: ------ -- - to controls+:. and +:. - ---; drawthick - to controls+:. and +:. -; drawthick to controls+:. and +:. ; drawthick - to controls+:-. and +:-. -; drawthick to controls+:-. and +:-. ; drawcolorgreen!!black |-latex .--. nodebelow y; filldrawcolorgray to controls+:. and +:. -- to controls+:-. and +:-. ; node at .. A; drawthick ----; drawthick ----; drawthick --; drawthick --; drawthick arc :-:; drawthick arc :-:; drawthick - to controls+:. and +:. -; drawthick to controls+:. and +:. ; drawthick - to controls+:-. and +:-. -; drawthick to controls+:-. and +:-. ; tikzpicture center
Solution:
enumerate item Die Rückreibe Kraft ist die Gewichtskraft der Flüssigkeitssäule auf der Seite des höheren Flüssigkeitsstandes wobei der Schweredruck pvarrhogh ist: Fp AvarrhoghA h ist dabei gerade die doppelte Auslenkung: hy. Damit erhalten wir für die Rücktreibe Kraft: F-Avarrhog y-k y Der Term Avarrhog ist konstant und damit gilt: Fsim yRa asim y Das heisst die Schwingung ist harmonisch weil die Beschleunigung proportional zur Auslenkung ist! item Die Schwingungsdauer ist: Tpisqrtfracmk k erhalten wir aus Teilaufgabe a zu kAvarrhog. Damit ergibt sich: TpisqrtfracmAvarrhogres.s enumerate
In einem U-Rohr mit einer Querschnittsfläche von A.sicm^ werden sig Quecksilber varrhosikg/m^ um sicm ausgelenkt. Das Quecksilber nt im Rohr zu schwingen. enumerate item Zeigen Sie dass es sich hierbei um eine harmonische Schwingung handelt. Tipp: Schweredruck s. Formelhefte unter «Deformierbarer Körper» oder «Hydrostatik Druck Dichte»! item Wie gross ist die Schwingungsdauer? enumerate center tikzpicturescale. drawcolorgreen!!black dashed --- noderight Ruhelage; filldrawfillblue!!white drawblue ---- --- arc -:: -- ---- to controls+:. and +:. ------ arc :-: ------ -- - to controls+:. and +:. - ---; drawthick - to controls+:. and +:. -; drawthick to controls+:. and +:. ; drawthick - to controls+:-. and +:-. -; drawthick to controls+:-. and +:-. ; drawcolorgreen!!black |-latex .--. nodebelow y; filldrawcolorgray to controls+:. and +:. -- to controls+:-. and +:-. ; node at .. A; drawthick ----; drawthick ----; drawthick --; drawthick --; drawthick arc :-:; drawthick arc :-:; drawthick - to controls+:. and +:. -; drawthick to controls+:. and +:. ; drawthick - to controls+:-. and +:-. -; drawthick to controls+:-. and +:-. ; tikzpicture center
Solution:
enumerate item Die Rückreibe Kraft ist die Gewichtskraft der Flüssigkeitssäule auf der Seite des höheren Flüssigkeitsstandes wobei der Schweredruck pvarrhogh ist: Fp AvarrhoghA h ist dabei gerade die doppelte Auslenkung: hy. Damit erhalten wir für die Rücktreibe Kraft: F-Avarrhog y-k y Der Term Avarrhog ist konstant und damit gilt: Fsim yRa asim y Das heisst die Schwingung ist harmonisch weil die Beschleunigung proportional zur Auslenkung ist! item Die Schwingungsdauer ist: Tpisqrtfracmk k erhalten wir aus Teilaufgabe a zu kAvarrhog. Damit ergibt sich: TpisqrtfracmAvarrhogres.s enumerate
Meta Information
Exercise:
In einem U-Rohr mit einer Querschnittsfläche von A.sicm^ werden sig Quecksilber varrhosikg/m^ um sicm ausgelenkt. Das Quecksilber nt im Rohr zu schwingen. enumerate item Zeigen Sie dass es sich hierbei um eine harmonische Schwingung handelt. Tipp: Schweredruck s. Formelhefte unter «Deformierbarer Körper» oder «Hydrostatik Druck Dichte»! item Wie gross ist die Schwingungsdauer? enumerate center tikzpicturescale. drawcolorgreen!!black dashed --- noderight Ruhelage; filldrawfillblue!!white drawblue ---- --- arc -:: -- ---- to controls+:. and +:. ------ arc :-: ------ -- - to controls+:. and +:. - ---; drawthick - to controls+:. and +:. -; drawthick to controls+:. and +:. ; drawthick - to controls+:-. and +:-. -; drawthick to controls+:-. and +:-. ; drawcolorgreen!!black |-latex .--. nodebelow y; filldrawcolorgray to controls+:. and +:. -- to controls+:-. and +:-. ; node at .. A; drawthick ----; drawthick ----; drawthick --; drawthick --; drawthick arc :-:; drawthick arc :-:; drawthick - to controls+:. and +:. -; drawthick to controls+:. and +:. ; drawthick - to controls+:-. and +:-. -; drawthick to controls+:-. and +:-. ; tikzpicture center
Solution:
enumerate item Die Rückreibe Kraft ist die Gewichtskraft der Flüssigkeitssäule auf der Seite des höheren Flüssigkeitsstandes wobei der Schweredruck pvarrhogh ist: Fp AvarrhoghA h ist dabei gerade die doppelte Auslenkung: hy. Damit erhalten wir für die Rücktreibe Kraft: F-Avarrhog y-k y Der Term Avarrhog ist konstant und damit gilt: Fsim yRa asim y Das heisst die Schwingung ist harmonisch weil die Beschleunigung proportional zur Auslenkung ist! item Die Schwingungsdauer ist: Tpisqrtfracmk k erhalten wir aus Teilaufgabe a zu kAvarrhog. Damit ergibt sich: TpisqrtfracmAvarrhogres.s enumerate
In einem U-Rohr mit einer Querschnittsfläche von A.sicm^ werden sig Quecksilber varrhosikg/m^ um sicm ausgelenkt. Das Quecksilber nt im Rohr zu schwingen. enumerate item Zeigen Sie dass es sich hierbei um eine harmonische Schwingung handelt. Tipp: Schweredruck s. Formelhefte unter «Deformierbarer Körper» oder «Hydrostatik Druck Dichte»! item Wie gross ist die Schwingungsdauer? enumerate center tikzpicturescale. drawcolorgreen!!black dashed --- noderight Ruhelage; filldrawfillblue!!white drawblue ---- --- arc -:: -- ---- to controls+:. and +:. ------ arc :-: ------ -- - to controls+:. and +:. - ---; drawthick - to controls+:. and +:. -; drawthick to controls+:. and +:. ; drawthick - to controls+:-. and +:-. -; drawthick to controls+:-. and +:-. ; drawcolorgreen!!black |-latex .--. nodebelow y; filldrawcolorgray to controls+:. and +:. -- to controls+:-. and +:-. ; node at .. A; drawthick ----; drawthick ----; drawthick --; drawthick --; drawthick arc :-:; drawthick arc :-:; drawthick - to controls+:. and +:. -; drawthick to controls+:. and +:. ; drawthick - to controls+:-. and +:-. -; drawthick to controls+:-. and +:-. ; tikzpicture center
Solution:
enumerate item Die Rückreibe Kraft ist die Gewichtskraft der Flüssigkeitssäule auf der Seite des höheren Flüssigkeitsstandes wobei der Schweredruck pvarrhogh ist: Fp AvarrhoghA h ist dabei gerade die doppelte Auslenkung: hy. Damit erhalten wir für die Rücktreibe Kraft: F-Avarrhog y-k y Der Term Avarrhog ist konstant und damit gilt: Fsim yRa asim y Das heisst die Schwingung ist harmonisch weil die Beschleunigung proportional zur Auslenkung ist! item Die Schwingungsdauer ist: Tpisqrtfracmk k erhalten wir aus Teilaufgabe a zu kAvarrhog. Damit ergibt sich: TpisqrtfracmAvarrhogres.s enumerate
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Harmonische Schwingung: U-Rohr by TeXercises