Um
corpo é atirado verticalmente para cima, a partir do solo, com uma velocidade
de 20 m/s. Considerando a aceleração gravitacional 9,8 m/s² e
desprezando a resistência do ar, a altura máxima, em metros, alcançada pelo
corpo é?    Fonte: (RAMALHO, NICOLAU E TOLEDO; Fundamentos da Física, Volume

Um corpo é atirado verticalmente para cima, a partir do solo, com uma velocidade de 20 m/s. Considerando a aceleração gravitacional 9,8 m/s² e desprezando a resistência do ar, a altura máxima, em metros, alcançada pelo corpo é? 

Fonte: (RAMALHO, NICOLAU E TOLEDO; Fundamentos da Física, Volume 1, 8ª edição, pp. 12 – 169, 2003).

Clique aqui para ver uma descrição do que é Movimento Vertical no Vácuo.

 Model with friction force only, e.g. white bus (toy car), related to the "Introduction to STELLA", NSUK 2017
Model with friction force only, e.g. white bus (toy car), related to the "Introduction to STELLA", NSUK 2017
7 months ago
Le but de cette simulation est de montrer comment on peut implémenter de manière hydraulique les différentes portes logiques (à 2 entrées)  susceptibles d'être utilisées pour construire des circuits logiques.    Les entrées sont alimentées par deux oscillateurs rectangulaires dont le second à une fr
Le but de cette simulation est de montrer comment on peut implémenter de manière hydraulique les différentes portes logiques (à 2 entrées)  susceptibles d'être utilisées pour construire des circuits logiques.

Les entrées sont alimentées par deux oscillateurs rectangulaires dont le second à une fréquence moitié du premier, de sorte à générer de manière cyclique les différentes combinaisons de bits en entrée.

Les résultats de la simulation montrent le fonctionnement des différentes portes, avec chaque fois un décalage temporel d'une unité entre l'état des entrées et la sortie.
 Perceptual Control Theory Model of Balancing an Inverted Pendulum. See  Kennaway's slides  on Robotics. as well as PCT example WIP notes. Compare with  IM-1831  from Z209 from Hartmut Bossel's System Zoo 1 p112-118

Perceptual Control Theory Model of Balancing an Inverted Pendulum. See Kennaway's slides on Robotics. as well as PCT example WIP notes. Compare with IM-1831 from Z209 from Hartmut Bossel's System Zoo 1 p112-118

  ​S-Curve + Delay for Bell Curve Showing Erlang Distribution      Generation of Bell Curve from Initial Market through Delay in Pickup of Customers     This provides the beginning of an Erlang distribution model      The  Erlang distribution  is a two parameter family of continuous  probability dis
​S-Curve + Delay for Bell Curve Showing Erlang Distribution

Generation of Bell Curve from Initial Market through Delay in Pickup of Customers

This provides the beginning of an Erlang distribution model

The Erlang distribution is a two parameter family of continuous probability distributions with support . The two parameters are:

  • a positive integer 'shape' 
  • a positive real 'rate' ; sometimes the scale , the inverse of the rate is used.

 Zwei Kondensatoren werden über einen Widerstand miteinander verbunden.  Video Kondensatoren entladen https://youtu.be/q4jQKy5LKWA
Zwei Kondensatoren werden über einen Widerstand miteinander verbunden.
Video Kondensatoren entladen https://youtu.be/q4jQKy5LKWA
 Simulating soil temperature profile.  'Tm' is the annual surface mean temperature. 'delta T' is the annual variation in surface temperature. 'Te' is the long term equilibrium temperature at depth.

Simulating soil temperature profile.

'Tm' is the annual surface mean temperature. 'delta T' is the annual variation in surface temperature. 'Te' is the long term equilibrium temperature at depth.

 Basic model of Newton's mechanics applied to fall with air friction (e.g. an air balloon)    Ff prop v*v
Basic model of Newton's mechanics applied to fall with air friction (e.g. an air balloon)
Ff prop v*v