Strecke - Geschwindigkeit - Beschleunigung
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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Exercise:
Folg ist jeweils eine der drei Funktionen st vt und at gegeben. Bestimme jeweils die fehlen beiden Funktionen sowie die Einheiten aller Konstanten. multicols abcliste abc displaystyle vt v abc displaystyle at a abc displaystyle st a sinomega t + b cosomega t abc displaystyle vt v_ texte^iomega t abc displaystyle st s_ texte^gamma t sinpi fractT abc displaystyle vt fracmgbetaleft-texte^-fracbetamtright abc displaystyle vt -fracmgamma t-fracmv_ abc displaystyle vt v_a ln leftfracm_m_-gamma tright - gt abc displaystyle st fracc_ t^+ c_ t + c_ abc displaystyle vt c_ t^+c_ t^+fracc_ abc displaystyle vt c_ lnc_ t abc displaystyle at c_ t^- abc displaystyle at c_ fracsqrtc_t abcliste multicols
Solution:
abcliste %a abc Die beiden fehlen Funktionen sind: at dot vt st vt ddt vt + s_ Die angegebene Konstante muss die Einheit simeterpersecond haben. %b abc vt at + v_ st fracat^+v_t + s_ %c abc vt aomegacosomega t - b omega sinomega t at -aomega^ sinomega t -b omega^ cosomega t Für die Einheiten gilt: s sim tsis omegasipersecond sinomega t asim bsim %d abc %e abc vt dot st -s_gamma texte^-gamma t sin pi fractT+s_ texte^-gamma t fracpiT cos pi fractT t at ddot st +s_gamma^ texte^-gamma t sin pi fractT- s_gamma texte^-gamma tcospi fractT fracpiT-s_ texte^-gamma tfracpi^T^ sin pi fractT %f abc at dot vt gtexte^-fracbetamt st vt mboxdt fracmgbetat+fracm^gbeta^texte^-fracbetamt Die Einheit ist: betasikilogrampersecond %g abc at dot vt dvt leftv_a ln leftfracm_m_tright - gtright dvt leftv_a ln leftfracm_m_-gamma tright - gtright v_a -gamma fracm_-gamma tm_ - g -gamma v_a fracm_-gamma tm_ - g abc Die beiden fehlen Funktionen sind: dot st vt c_ t+c_ ddot st at c_ Für die Einheiten gilt: c_simeterpersecondsquared c_simeterpersecond c_sim abc Die beiden fehlen Funktionen sind: dot vt at c_t^+c_t^ st vt ddt fracc_t^+fracc_t^+fracc_t Für die Einheiten gilt: c_simeterpersecondtothe c_simeterpersecondtothe c_sisecondpermeter abc Die beiden fehlen Funktionen sind: at dot vt c_ fracc_ t c_ fracc_t st t c_lnc_t - c_t c_t leftlnc_t-right Für die Einheiten gilt: c_simeterpersecond c_sipersecond abcliste
Folg ist jeweils eine der drei Funktionen st vt und at gegeben. Bestimme jeweils die fehlen beiden Funktionen sowie die Einheiten aller Konstanten. multicols abcliste abc displaystyle vt v abc displaystyle at a abc displaystyle st a sinomega t + b cosomega t abc displaystyle vt v_ texte^iomega t abc displaystyle st s_ texte^gamma t sinpi fractT abc displaystyle vt fracmgbetaleft-texte^-fracbetamtright abc displaystyle vt -fracmgamma t-fracmv_ abc displaystyle vt v_a ln leftfracm_m_-gamma tright - gt abc displaystyle st fracc_ t^+ c_ t + c_ abc displaystyle vt c_ t^+c_ t^+fracc_ abc displaystyle vt c_ lnc_ t abc displaystyle at c_ t^- abc displaystyle at c_ fracsqrtc_t abcliste multicols
Solution:
abcliste %a abc Die beiden fehlen Funktionen sind: at dot vt st vt ddt vt + s_ Die angegebene Konstante muss die Einheit simeterpersecond haben. %b abc vt at + v_ st fracat^+v_t + s_ %c abc vt aomegacosomega t - b omega sinomega t at -aomega^ sinomega t -b omega^ cosomega t Für die Einheiten gilt: s sim tsis omegasipersecond sinomega t asim bsim %d abc %e abc vt dot st -s_gamma texte^-gamma t sin pi fractT+s_ texte^-gamma t fracpiT cos pi fractT t at ddot st +s_gamma^ texte^-gamma t sin pi fractT- s_gamma texte^-gamma tcospi fractT fracpiT-s_ texte^-gamma tfracpi^T^ sin pi fractT %f abc at dot vt gtexte^-fracbetamt st vt mboxdt fracmgbetat+fracm^gbeta^texte^-fracbetamt Die Einheit ist: betasikilogrampersecond %g abc at dot vt dvt leftv_a ln leftfracm_m_tright - gtright dvt leftv_a ln leftfracm_m_-gamma tright - gtright v_a -gamma fracm_-gamma tm_ - g -gamma v_a fracm_-gamma tm_ - g abc Die beiden fehlen Funktionen sind: dot st vt c_ t+c_ ddot st at c_ Für die Einheiten gilt: c_simeterpersecondsquared c_simeterpersecond c_sim abc Die beiden fehlen Funktionen sind: dot vt at c_t^+c_t^ st vt ddt fracc_t^+fracc_t^+fracc_t Für die Einheiten gilt: c_simeterpersecondtothe c_simeterpersecondtothe c_sisecondpermeter abc Die beiden fehlen Funktionen sind: at dot vt c_ fracc_ t c_ fracc_t st t c_lnc_t - c_t c_t leftlnc_t-right Für die Einheiten gilt: c_simeterpersecond c_sipersecond abcliste
Meta Information
Exercise:
Folg ist jeweils eine der drei Funktionen st vt und at gegeben. Bestimme jeweils die fehlen beiden Funktionen sowie die Einheiten aller Konstanten. multicols abcliste abc displaystyle vt v abc displaystyle at a abc displaystyle st a sinomega t + b cosomega t abc displaystyle vt v_ texte^iomega t abc displaystyle st s_ texte^gamma t sinpi fractT abc displaystyle vt fracmgbetaleft-texte^-fracbetamtright abc displaystyle vt -fracmgamma t-fracmv_ abc displaystyle vt v_a ln leftfracm_m_-gamma tright - gt abc displaystyle st fracc_ t^+ c_ t + c_ abc displaystyle vt c_ t^+c_ t^+fracc_ abc displaystyle vt c_ lnc_ t abc displaystyle at c_ t^- abc displaystyle at c_ fracsqrtc_t abcliste multicols
Solution:
abcliste %a abc Die beiden fehlen Funktionen sind: at dot vt st vt ddt vt + s_ Die angegebene Konstante muss die Einheit simeterpersecond haben. %b abc vt at + v_ st fracat^+v_t + s_ %c abc vt aomegacosomega t - b omega sinomega t at -aomega^ sinomega t -b omega^ cosomega t Für die Einheiten gilt: s sim tsis omegasipersecond sinomega t asim bsim %d abc %e abc vt dot st -s_gamma texte^-gamma t sin pi fractT+s_ texte^-gamma t fracpiT cos pi fractT t at ddot st +s_gamma^ texte^-gamma t sin pi fractT- s_gamma texte^-gamma tcospi fractT fracpiT-s_ texte^-gamma tfracpi^T^ sin pi fractT %f abc at dot vt gtexte^-fracbetamt st vt mboxdt fracmgbetat+fracm^gbeta^texte^-fracbetamt Die Einheit ist: betasikilogrampersecond %g abc at dot vt dvt leftv_a ln leftfracm_m_tright - gtright dvt leftv_a ln leftfracm_m_-gamma tright - gtright v_a -gamma fracm_-gamma tm_ - g -gamma v_a fracm_-gamma tm_ - g abc Die beiden fehlen Funktionen sind: dot st vt c_ t+c_ ddot st at c_ Für die Einheiten gilt: c_simeterpersecondsquared c_simeterpersecond c_sim abc Die beiden fehlen Funktionen sind: dot vt at c_t^+c_t^ st vt ddt fracc_t^+fracc_t^+fracc_t Für die Einheiten gilt: c_simeterpersecondtothe c_simeterpersecondtothe c_sisecondpermeter abc Die beiden fehlen Funktionen sind: at dot vt c_ fracc_ t c_ fracc_t st t c_lnc_t - c_t c_t leftlnc_t-right Für die Einheiten gilt: c_simeterpersecond c_sipersecond abcliste
Folg ist jeweils eine der drei Funktionen st vt und at gegeben. Bestimme jeweils die fehlen beiden Funktionen sowie die Einheiten aller Konstanten. multicols abcliste abc displaystyle vt v abc displaystyle at a abc displaystyle st a sinomega t + b cosomega t abc displaystyle vt v_ texte^iomega t abc displaystyle st s_ texte^gamma t sinpi fractT abc displaystyle vt fracmgbetaleft-texte^-fracbetamtright abc displaystyle vt -fracmgamma t-fracmv_ abc displaystyle vt v_a ln leftfracm_m_-gamma tright - gt abc displaystyle st fracc_ t^+ c_ t + c_ abc displaystyle vt c_ t^+c_ t^+fracc_ abc displaystyle vt c_ lnc_ t abc displaystyle at c_ t^- abc displaystyle at c_ fracsqrtc_t abcliste multicols
Solution:
abcliste %a abc Die beiden fehlen Funktionen sind: at dot vt st vt ddt vt + s_ Die angegebene Konstante muss die Einheit simeterpersecond haben. %b abc vt at + v_ st fracat^+v_t + s_ %c abc vt aomegacosomega t - b omega sinomega t at -aomega^ sinomega t -b omega^ cosomega t Für die Einheiten gilt: s sim tsis omegasipersecond sinomega t asim bsim %d abc %e abc vt dot st -s_gamma texte^-gamma t sin pi fractT+s_ texte^-gamma t fracpiT cos pi fractT t at ddot st +s_gamma^ texte^-gamma t sin pi fractT- s_gamma texte^-gamma tcospi fractT fracpiT-s_ texte^-gamma tfracpi^T^ sin pi fractT %f abc at dot vt gtexte^-fracbetamt st vt mboxdt fracmgbetat+fracm^gbeta^texte^-fracbetamt Die Einheit ist: betasikilogrampersecond %g abc at dot vt dvt leftv_a ln leftfracm_m_tright - gtright dvt leftv_a ln leftfracm_m_-gamma tright - gtright v_a -gamma fracm_-gamma tm_ - g -gamma v_a fracm_-gamma tm_ - g abc Die beiden fehlen Funktionen sind: dot st vt c_ t+c_ ddot st at c_ Für die Einheiten gilt: c_simeterpersecondsquared c_simeterpersecond c_sim abc Die beiden fehlen Funktionen sind: dot vt at c_t^+c_t^ st vt ddt fracc_t^+fracc_t^+fracc_t Für die Einheiten gilt: c_simeterpersecondtothe c_simeterpersecondtothe c_sisecondpermeter abc Die beiden fehlen Funktionen sind: at dot vt c_ fracc_ t c_ fracc_t st t c_lnc_t - c_t c_t leftlnc_t-right Für die Einheiten gilt: c_simeterpersecond c_sipersecond abcliste
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