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13 September 2024
- 15:3315:33, 13 September 2024 diff hist +416 Kitāb al-Manāẓir. The optics of Ibn al-Haytham. Books I--III. On direct vision. Volume 1. Translation. Volume 2. Introduction, commentary, glossaries, concordance, indices. Translated from the Arabic and with a preface, introduction and commentary by (Q3804) Created claim: instance of (P3): scholarly article (Q259) current
- 15:3315:33, 13 September 2024 diff hist +582 N Kitāb al-Manāẓir. The optics of Ibn al-Haytham. Books I--III. On direct vision. Volume 1. Translation. Volume 2. Introduction, commentary, glossaries, concordance, indices. Translated from the Arabic and with a preface, introduction and commentary by (Q3804) Created a new Item: Kitāb al-Manāẓir. The optics of Ibn al-Haytham. Books I--III. On direct vision. Volume 1. Translation. Volume 2. Introduction, commentary, glossaries, concordance, indices. Translated from the Arabic and with a preface, introduction and commentary by A. I. Sabra, scientific article; zbMATH DE number 49687
10 September 2024
- 15:2715:27, 10 September 2024 diff hist +679 Free Fall Equation (Vacuum) (Q3794) Created claim: in defining formula (P597): g
- 15:2715:27, 10 September 2024 diff hist +681 Free Fall Equation (Vacuum) (Q3794) Created claim: in defining formula (P597): v_0
- 15:2715:27, 10 September 2024 diff hist +679 Free Fall Equation (Vacuum) (Q3794) Created claim: in defining formula (P597): t
- 15:2715:27, 10 September 2024 diff hist +696 Free Fall Equation (Vacuum) (Q3794) Created claim: in defining formula (P597): v
- 15:2615:26, 10 September 2024 diff hist +240 N free fall initial velocity (Q3803) Created a new Item: free fall initial velocity current
- 15:2615:26, 10 September 2024 diff hist +232 N free fall velocity (Q3802) Created a new Item: free fall velocity current
- 15:2515:25, 10 September 2024 diff hist +418 Free Fall Model (Vacuum) (Q3785) Created claim: uses (P7): Free Fall Equation (Vacuum) (Q3794)
- 15:2315:23, 10 September 2024 diff hist +345 Free Fall Equation (Vacuum) (Q3794) Created claim: defining formula (P29): v(t)=v_0-gt
- 15:2215:22, 10 September 2024 diff hist +418 Free Fall Equation (Vacuum) (Q3794) Created claim: instance of (P3): formula (Q1400)
- 15:2115:21, 10 September 2024 diff hist +524 N Free Fall Equation (Vacuum) (Q3794) Created a new Item: free fall equation (vacuum), a free fall is any motion of a body where gravity is the only force acting upon it, hence neglecting the aerodynamic drag and assuming a uniform gravitational field. Moreover, assuming the falling object to be a point mass.
- 15:2015:20, 10 September 2024 diff hist +238 N mathematical formulation (Q3789) Created a new Item: mathematical formulation current
- 15:1615:16, 10 September 2024 diff hist +405 free fall determine velocity (Q3788) Created claim: applies model (P803): Free Fall Model (Vacuum) (Q3785) current
- 15:1615:16, 10 September 2024 diff hist +422 free fall determine velocity (Q3788) Created claim: applies model (P803): Free Fall Model (Air Drag) (Q3784)
- 15:1615:16, 10 September 2024 diff hist +418 free fall determine velocity (Q3788) Created claim: instance of (P3): computational task (Q3783)
- 15:1615:16, 10 September 2024 diff hist +365 N free fall determine velocity (Q3788) Created a new Item: free fall determine velocity, with which velocity will a freely falling object hit the ground?
- 15:1515:15, 10 September 2024 diff hist +405 free fall determine time (Q3787) Created claim: applies model (P803): Free Fall Model (Vacuum) (Q3785) current
- 15:1515:15, 10 September 2024 diff hist +422 free fall determine time (Q3787) Created claim: applies model (P803): Free Fall Model (Air Drag) (Q3784)
- 15:1515:15, 10 September 2024 diff hist +418 free fall determine time (Q3787) Created claim: instance of (P3): computational task (Q3783)
- 15:1515:15, 10 September 2024 diff hist +369 N free fall determine time (Q3787) Created a new Item: free fall determine time, how long does it take for a freely falling object to fall to the ground?
- 15:1415:14, 10 September 2024 diff hist +422 free fall determine gravitation (Q3786) Created claim: applies model (P803): Free Fall Model (Vacuum) (Q3785) current
- 15:1415:14, 10 September 2024 diff hist +244 N applies model (P803) Created a new Property: applies model current
- 15:1315:13, 10 September 2024 diff hist +418 free fall determine gravitation (Q3786) Created claim: instance of (P3): computational task (Q3783)
- 15:1315:13, 10 September 2024 diff hist +456 N free fall determine gravitation (Q3786) Created a new Item: free fall determine gravitation, given the time that it takes for an object to freely fall from a certain height to the ground, what is the magnitude of the gravitational acceleration?
- 15:1215:12, 10 September 2024 diff hist +347 computational task (Q3783) Added [en] description: A specific computational task associated with a mathematical model. Typically, various tasks differ from each other by the choice of given quantities (input), unknown quantities (output), parameters or constants as well as boundary conditions, initial conditions and/or final conditions. current
- 15:1115:11, 10 September 2024 diff hist +405 Gravitational Effects on Fruit (Q3782) Created claim: Modeled By (P802): Free Fall Model (Vacuum) (Q3785)
- 15:1115:11, 10 September 2024 diff hist +422 Gravitational Effects on Fruit (Q3782) Created claim: Modeled By (P802): Free Fall Model (Air Drag) (Q3784)
- 15:1015:10, 10 September 2024 diff hist +418 Free Fall Model (Air Drag) (Q3784) Created claim: instance of (P3): mathematical model (Q3204)
- 15:1015:10, 10 September 2024 diff hist +418 Free Fall Model (Vacuum) (Q3785) Created claim: instance of (P3): mathematical model (Q3204)
- 15:1015:10, 10 September 2024 diff hist +587 N Free Fall Model (Vacuum) (Q3785) Created a new Item: free fall model (vacuum), modeling the fall of objects by the laws of classical mechanics. A free fall is any motion of a body where gravity is the only force acting upon it. Hence, we are neglecting the aerodynamic drag (vanishing drag coefficient and/or density of air) and assuming a uniform gravitational field.
- 15:0915:09, 10 September 2024 diff hist +439 N Free Fall Model (Air Drag) (Q3784) Created a new Item: free fall model (air drag), modeling the fall of objects by the laws of classical mechanics, including the aerodynamic drag and assuming a uniform gravitational field.
- 15:0815:08, 10 September 2024 diff hist +232 N computational task (Q3783) Created a new Item: computational task
- 15:0715:07, 10 September 2024 diff hist +241 N Modeled By (P802) Created a new Property: modeled by
- 15:0715:07, 10 September 2024 diff hist +422 Gravitational Effects on Fruit (Q3782) Created claim: contained in field (P801): pomology (Q3760)
- 15:0615:06, 10 September 2024 diff hist +249 N contained in field (P801) Created a new Property: contained in field current
- 15:0615:06, 10 September 2024 diff hist +418 Gravitational Effects on Fruit (Q3782) Created claim: instance of (P3): Research Problem (Q3781)
- 15:0515:05, 10 September 2024 diff hist +244 N Gravitational Effects on Fruit (Q3782) Created a new Item: gravitational effects on fruit
5 September 2024
- 12:2412:24, 5 September 2024 diff hist −416 binary data (Q3742) Removed claim: instance of (P3): data (Q376) current Tag: Manual revert
- 12:2412:24, 5 September 2024 diff hist +416 binary data (Q3742) Created claim: instance of (P3): data (Q376) Tag: Reverted
1 August 2024
- 15:3815:38, 1 August 2024 diff hist −367 math0004105.9 (Q3717) Removed claim: defining formula (P29): \left(\begin{array}{cc}0&1\\1&a\end{array}\right) current Tag: Manual revert
- 15:3715:37, 1 August 2024 diff hist +13 math0004105.9 (Q3717) Changed claim: defining formula (P29): \left(\begin{array}{cc}0&1\\1&a\end{array}\right) Tags: Manual revert Reverted
- 15:3715:37, 1 August 2024 diff hist −13 math0004105.9 (Q3717) Changed claim: defining formula (P29): \begin{array}{cc}0&1\\1&a\end{array} Tags: Manual revert Reverted
- 15:3715:37, 1 August 2024 diff hist +13 math0004105.9 (Q3717) Changed claim: defining formula (P29): \left(\begin{array}{cc}0&1\\1&a\end{array}\right) Tag: Reverted
- 15:3615:36, 1 August 2024 diff hist −44 math0004105.9 (Q3717) Changed claim: defining formula (P29): \begin{array}{cc}0&1\\1&a\end{array} Tags: Manual revert Reverted
- 15:3615:36, 1 August 2024 diff hist +7 math0004105.9 (Q3717) Changed claim: defining formula (P29): \begin{array}{ll} z = & a \\ b = & a \\ f(x,y,z) = & x + y + z \end{array} Tag: Reverted
- 15:3515:35, 1 August 2024 diff hist −2 math0004105.9 (Q3717) Changed claim: defining formula (P29): \begin{array}{l} z = a \\ b = a \\ f(x,y,z) = x + y + z \end{array} Tag: Reverted
- 15:3515:35, 1 August 2024 diff hist +39 math0004105.9 (Q3717) Changed claim: defining formula (P29): \begin{array}{lcl} z = a \\ b = a \\ f(x,y,z) = x + y + z \end{array} Tag: Reverted
- 15:3315:33, 1 August 2024 diff hist −49 math0004105.9 (Q3717) Changed claim: defining formula (P29): \begin{array}{cc}0&1\\1&a\end{array} Tag: Reverted
- 15:3315:33, 1 August 2024 diff hist +403 math0004105.9 (Q3717) Created claim: defining formula (P29): \begin{array}{lcl} z & = & a \\ & = & a \\ f(x,y,z) & = & x + y + z \end{array} Tag: Reverted