Sihlsee
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:
Der dm tiefe Sihlsee wird von einer .km langen Staumauer gestaut. abclist abc Berechne die Fläche der Staumauer nur numerisch. vspace*cm abc Wie gross ist der gesamte Druck in bf halber Wassertiefe? Der äussere Luftdruck sei der Normdruck. formal: vspace*cm numerisch: vspace*cm abc Es soll nun die Kraft berechnet werden die ingesamt auf die Staumauer ausgeübt wird. Dazu kann der in Teilaufgabe b berechnete Druck in halber Tiefe verwet werden. enumerate itemi Begründe weshalb man gerade den Druck in halber Tiefe verwen muss. vspace*cm itemii Berechne die insgesamt auf die Staumauer ausgeübte Kraft. formal: vspace*cm numerisch: vspace*cm enumerate abclist
Solution:
NewQtyhdmm NewQtyl.kmem NewQtyRkgpcm % Geg h hO h ell lO l textWasserto rho R % GesKraftFsiN % Die Fläche der Staumauer beträgt SolQtyAhellhX*lXsquaremeter al A AF hl A. % Der durchschnittliche Druck ist der Druck in halber Tiefe d.h. SolQtypp_+fracrho g hncpon*RX*ncgn*hX/Pa al p pF ncpo + fracRncgh p. % Die auf die Staumauer insgesamt ausgeübte Kraft beträgt somit SolQtyFp_hell+fracrho g ell h^pX*AXN al F p A qtypF AF FF pA F. % F FF FS
Der dm tiefe Sihlsee wird von einer .km langen Staumauer gestaut. abclist abc Berechne die Fläche der Staumauer nur numerisch. vspace*cm abc Wie gross ist der gesamte Druck in bf halber Wassertiefe? Der äussere Luftdruck sei der Normdruck. formal: vspace*cm numerisch: vspace*cm abc Es soll nun die Kraft berechnet werden die ingesamt auf die Staumauer ausgeübt wird. Dazu kann der in Teilaufgabe b berechnete Druck in halber Tiefe verwet werden. enumerate itemi Begründe weshalb man gerade den Druck in halber Tiefe verwen muss. vspace*cm itemii Berechne die insgesamt auf die Staumauer ausgeübte Kraft. formal: vspace*cm numerisch: vspace*cm enumerate abclist
Solution:
NewQtyhdmm NewQtyl.kmem NewQtyRkgpcm % Geg h hO h ell lO l textWasserto rho R % GesKraftFsiN % Die Fläche der Staumauer beträgt SolQtyAhellhX*lXsquaremeter al A AF hl A. % Der durchschnittliche Druck ist der Druck in halber Tiefe d.h. SolQtypp_+fracrho g hncpon*RX*ncgn*hX/Pa al p pF ncpo + fracRncgh p. % Die auf die Staumauer insgesamt ausgeübte Kraft beträgt somit SolQtyFp_hell+fracrho g ell h^pX*AXN al F p A qtypF AF FF pA F. % F FF FS
Meta Information
Exercise:
Der dm tiefe Sihlsee wird von einer .km langen Staumauer gestaut. abclist abc Berechne die Fläche der Staumauer nur numerisch. vspace*cm abc Wie gross ist der gesamte Druck in bf halber Wassertiefe? Der äussere Luftdruck sei der Normdruck. formal: vspace*cm numerisch: vspace*cm abc Es soll nun die Kraft berechnet werden die ingesamt auf die Staumauer ausgeübt wird. Dazu kann der in Teilaufgabe b berechnete Druck in halber Tiefe verwet werden. enumerate itemi Begründe weshalb man gerade den Druck in halber Tiefe verwen muss. vspace*cm itemii Berechne die insgesamt auf die Staumauer ausgeübte Kraft. formal: vspace*cm numerisch: vspace*cm enumerate abclist
Solution:
NewQtyhdmm NewQtyl.kmem NewQtyRkgpcm % Geg h hO h ell lO l textWasserto rho R % GesKraftFsiN % Die Fläche der Staumauer beträgt SolQtyAhellhX*lXsquaremeter al A AF hl A. % Der durchschnittliche Druck ist der Druck in halber Tiefe d.h. SolQtypp_+fracrho g hncpon*RX*ncgn*hX/Pa al p pF ncpo + fracRncgh p. % Die auf die Staumauer insgesamt ausgeübte Kraft beträgt somit SolQtyFp_hell+fracrho g ell h^pX*AXN al F p A qtypF AF FF pA F. % F FF FS
Der dm tiefe Sihlsee wird von einer .km langen Staumauer gestaut. abclist abc Berechne die Fläche der Staumauer nur numerisch. vspace*cm abc Wie gross ist der gesamte Druck in bf halber Wassertiefe? Der äussere Luftdruck sei der Normdruck. formal: vspace*cm numerisch: vspace*cm abc Es soll nun die Kraft berechnet werden die ingesamt auf die Staumauer ausgeübt wird. Dazu kann der in Teilaufgabe b berechnete Druck in halber Tiefe verwet werden. enumerate itemi Begründe weshalb man gerade den Druck in halber Tiefe verwen muss. vspace*cm itemii Berechne die insgesamt auf die Staumauer ausgeübte Kraft. formal: vspace*cm numerisch: vspace*cm enumerate abclist
Solution:
NewQtyhdmm NewQtyl.kmem NewQtyRkgpcm % Geg h hO h ell lO l textWasserto rho R % GesKraftFsiN % Die Fläche der Staumauer beträgt SolQtyAhellhX*lXsquaremeter al A AF hl A. % Der durchschnittliche Druck ist der Druck in halber Tiefe d.h. SolQtypp_+fracrho g hncpon*RX*ncgn*hX/Pa al p pF ncpo + fracRncgh p. % Die auf die Staumauer insgesamt ausgeübte Kraft beträgt somit SolQtyFp_hell+fracrho g ell h^pX*AXN al F p A qtypF AF FF pA F. % F FF FS
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