Spring-Mass model used in IACS physics class
Physics Kinematics Spring Periodic Motion IACS
Spring-Mass model used in IACS physics class
Clone of Spring-Mass Model
Kaitlyn Fraser
Modelo matemático para un sistema de bombeo aguas abajo junto con el aprovechamiento de la energía potencial que se presenta en una zona húmeda de baja pendiente, sin ayuda de electricidad solo del fenómeno de la gravedad. https://es.wikipedia.org/wiki/Golpe_de_ariete https://en.wikipedia.
Physics Agriculture Fluid Mecanics Cleen Energy
Modelo matemático para un sistema de bombeo aguas abajo junto con el aprovechamiento de la energía potencial que se presenta en una zona húmeda de baja pendiente, sin ayuda de electricidad solo del fenómeno de la gravedad.

https://es.wikipedia.org/wiki/Golpe_de_ariete

https://en.wikipedia.org/wiki/Water_hammer

https://pt.wikipedia.org/wiki/Golpe_de_ar%C3%ADete
Clone of Modelo Bomba Ariete
Nilo Guimaraes
Rotating Pendulum Z201 from System Zoo 1 p80-83
Science System Zoo Education Physics

Rotating Pendulum Z201 from System Zoo 1 p80-83

Clone of Rotating Pendulum
Chenwei Gui
Simulation of MTBF with controls F(t) = 1 - e ^ -λt  Where   • F(t) is the probability of failure   • λ is the failure rate in 1/time unit (1/h, for example)  • t is the observed service life (h, for example) The inverse curve is the trust time On the right the increase in failures brings its
Science Strategy Failure Risk MTBF BIFURCATIONS Growth Population Demographics Navier Stokes Engineering TURBULENCE Chaos Fractals Health Biology Physics Mathematics Finance Economics Environment
Simulation of MTBF with controls

F(t) = 1 - e ^ -λt 
Where  
• F(t) is the probability of failure  
• λ is the failure rate in 1/time unit (1/h, for example) 
• t is the observed service life (h, for example)

The inverse curve is the trust time
On the right the increase in failures brings its inverse which is loss of trust and move into suspicion and lack of confidence.
This can be seen in strategic social applications with those who put economy before providing the priorities of the basic living infrastructures for all.

This applies to policies and strategic decisions as well as physical equipment.
A) Equipment wears out through friction and preventive maintenance can increase the useful lifetime, 
B) Policies/working practices/guidelines have to be updated to reflect changes in the external environment and eventually be replaced when for instance a population rises too large (constitutional changes are required to keep pace with evolution, e.g. the concepts of the ancient Greeks, 3000 years ago, who based their thoughts on a small population cannot be applied in 2013 except where populations can be contained into productive working communities with balanced profit and loss centers to ensure sustainability)

Early Life
If we follow the slope from the leftmost start to where it begins to flatten out this can be considered the first period. The first period is characterized by a decreasing failure rate. It is what occurs during the “early life” of a population of units. The weaker units fail leaving a population that is more rigorous.

Useful Life
The next period is the flat bottom portion of the graph. It is called the “useful life” period. Failures occur more in a random sequence during this time. It is difficult to predict which failure mode will occur, but the rate of failures is predictable. Notice the constant slope.  

Wearout
The third period begins at the point where the slope begins to increase and extends to the rightmost end of the graph. This is what happens when units become old and begin to fail at an increasing rate. It is called the “wearout” period. 
Clone of Clone of BATHTUB MEAN TIME BETWEEN FAILURE (MTBF) RISK
Ivan Stamenkovic
Insight diagram
Physics Agriculture Fluid Mecanics Cleen Energy
Clone of Bomba de golpe de Ariete 05 09 2021
Rocio Hernandez
c) 14 seconden d) dy/dx=vy/vx=-46.4/46.36=/1 --> 45 graden
Physics
c) 14 seconden
d) dy/dx=vy/vx=-46.4/46.36=/1 --> 45 graden
Eenparige worp met luchtwrijving
Mats van Beek
Insight diagram
Cleen Energy Physics Fluid Mecanics Agriculture
Clone of Bomba de golpe de Ariete 06 08 2022
Philipp von Bülow Duden
Insight diagram
Physics Fluid Mecanics Cleen Energy Agriculture
Bomba de golpe de Ariete 10 09 2021
Nadia Rocio Ramírez Fernández
IACS
Physics
IACS
Dynamics Model of Rocket
Ashley Hilliker
Insight diagram
Cleen Energy Fluid Mecanics Physics
Clone of Proyecto: Bomba de Ariete
Rocio Hernandez
Problem of the sliding chain
Physics Cegep Mathematics
Problem of the sliding chain
Clone of Sliding Chain
Benjamin Ward
Insight diagram
Agriculture Fluid Mecanics Physics Cleen Energy
Clone of Bomba de golpe de Ariete 05 09 2021
Rocio Hernandez
Z212 from System Zoo 1 p142-148
Health Care Physics Environment

Z212 from System Zoo 1 p142-148

Clone of House Heating Dynamics
Sofi Zibe
​The probability density function (PDF) of the normal distribution or Bell Curve of Normal or Gaussian Distribution is the mean or expectation of the distribution (and also its median and mode).   The parameter is its standard deviation with its variance then, A random variable with a Gaussi
Physics Intelligence Weather Climate Ecology Science Education Probability Density Function Normal Bell Statistics Curve Gaussian Distribution Democracy Voting Politics Policy MATHS
​The probability density function (PDF) of the normal distribution or Bell Curve of Normal or Gaussian Distribution is the mean or expectation of the distribution (and also its median and mode). 

The parameter is its standard deviation with its variance then, A random variable with a Gaussian distribution is said to be normally distributed and is called a normal deviate.
However, those who enjoy upskirts are called deviants and have a variable distribution :) 

A random variable with a Gaussian distribution is said to be normally distributed and is called a normal deviate.

If mu = 0 and sigma = 1

If the Higher Education Numbers Are Increased then the group decision making ability of society would be raised above that of a middle teenager as it is now
BUT 
Governments can control children by using bad parenting techniques, pandering to the pleasure principle, so they will make higher education more and more difficult as they are doing


85% of the population has a qualification level equal or below a 12th grader, 17 year old ... the chance of finding someone with any sense is low (~1 in 6) and the outcome of them being chosen by those who are uneducated in the policies they are to decide is even more rare !!!

Experience means little if you don't have enough brain to analyse it

Democracy is only as good as the ability of the voters to FULLY understand the implications of the policies on which they vote., both context and the various perspectives.   National voting of unqualified voters on specific policy issues is the sign of corrupt manipulation.

Democracy:  Where a group allows the decision ability of a teenager to decide on a choice of mis-representatives who are unqualified to make judgement on social policies that affect the lives of millions.
The kind of children who would vote for King Kong who can hold a girl in one hand and swat fighter jets out of teh sky off the tallest building, doesn't have a brain cell or thought to call his own but has a nice smile and offers little girls sweets.


updated 16/3/2020 from 4 years 3 months ago
Clone of ​The probability density function (PDF) of the normal distribution or Bell Curve Gaussian Distribution by Guy Lakeman
Kyra Evers
11 months ago
Insight diagram
Agriculture Physics Fluid Mecanics Cleen Energy
Clone of Bomba de golpe de Ariete 10 10 2021
Rocio Hernandez
b) 102,3 s, 2197,6 m c) richtingscoefficiënt neemt toe, dus snelheid neemt toe, wat betekent dat omstandigheden veranderen. Dit is naast het dalen van rho en verandering van het gewicht, dus Fz d) als er geen brandstof wordt verbruikt, werkt de motor niet
Physics
b) 102,3 s, 2197,6 m
c) richtingscoefficiënt neemt toe, dus snelheid neemt toe, wat betekent dat omstandigheden veranderen. Dit is naast het dalen van rho en verandering van het gewicht, dus Fz
d) als er geen brandstof wordt verbruikt, werkt de motor niet

Raket met brandstof
Mats van Beek
​Força de arrasto linear referências: CREF - Velocidade das gotas de chuva. 27 de abril, 2020. É verdade que as gotas de chuva sempre caem com a mesma velocidade devido a gravidade?  Respondido por: Prof. Fernando Lang da Silveira - www.if.ufrgs.br/~lang/ https://www.if.ufrgs.br/novocref/?co
Queda Fall Physics Fisica
​Força de arrasto linear referências:

CREF - Velocidade das gotas de chuva. 27 de abril, 2020. É verdade que as gotas de chuva sempre caem com a mesma velocidade devido a gravidade? Respondido por: Prof. Fernando Lang da Silveira - www.if.ufrgs.br/~lang/

CREF - Velocidade de pedras de granizo no solo. 22 de outubro, 2015. Respondido por: Prof. Fernando Lang da Silveira - www.if.ufrgs.br/~lang/

 Silveira, F. (2015). Velocidade das pedras de granizo Hailstone speed. https://doi.org/10.13140/RG.2.2.33619.94245

https://www.researchgate.net/publication/339536656_Velocidade_das_pedras_de_granizo_Hailstone_speed


Aula 10 - Velocidade Terminal 

Aerodinâmica da Bola de Futebol: da Copa de 70 à Jabulani Carlos Eduardo Aguiar Programa de Pós-Graduação em Ensino de Física Instituto de Física - UFRJ

Número de Reynolds


Aula 5.2 - Origem física do arrasto linear e quadrático: o número de Reynolds. Mecânica Clássica UFF Prof. Jorge de Sá Martins 

Viscosidade, turbulência e tensão superficial - IF UFRJ
 
Sugestões de Modelagem (Leonardo):

Revista Brasileira de Ensino de Física, vol. 41, nº 3 (2019) É seguro atirar para cima? Uma analise da letalidade de projéteis subsônicos. Saulo Luis Lima da Silva, Herman Fialho Fumiã.

FRENAGEM DE UM PROJÉTIL EM UM MEIO FLUIDO: “QUAL SERIA A DISTÂNCIA, DENTRO DA ÁGUA, PERCORRIDA POR UM PROJÉTIL CALIBRE .50 COM MASSA DE 50 G E VELOCIDADE DE 850 M/S?”  Fernando Lang da Silveira Instituto de Física – UFRGS 


Clone of Fall with drag force
Kyra Evers
11 months ago
Insight diagram
Physics Scientific Modelling
Problema da queda de pedras de granizo: modelo 1, sem resistência
Milena Lauschner Lopes
Insight diagram
Physics
H2 opg 28
Fysica
Insight diagram
Kinematics IACS Wind Resistance Physics
Clone of Wind Resistance Model
Nilo Guimaraes
Insight diagram
Kinematics Physics Wind Resistance IACS
Rocket Modeling
Jason McFeeley
pg. 50 and 55
Physics
pg. 50 and 55
2.5 Project 4
John Hermano
Connects distance, velocity, and acceleration.
Physics
Connects distance, velocity, and acceleration.
DVA metric
Edythe
Insight diagram
Physics
Kette rutscht über eine Kante
Matthias Meßmer