Recent content by paul-g

Meant falling about 100 drops per second on the area. Im curious how can be checked whether a process is described in this distribution. For example, the number of drops falling on the glass. How can I check if they are described Poisson distribution.

Hello! I am writing because I recently became interested in probability distributions, and I have to you a few questions. Poisson distribution is given as a probability: f(k;\lambda)=\frac{\lambda^{k}e^{-\lambda}}{k!} But what is lambda? Suppose that we consider as an unrelated incident...

Hello! I have for you some questions about the lasers. When ordinary laser beam directed at a small ball (few millimeters) on the screen I saw a bright spot in the middle of the shadow. What it is due?

Homework Statement Electromagnetic Railgun consists of two parallel, distant from the horizontal, very long rails, after which moves perpendicular to the rails, linking them to the metal bar of mass m. The rails are in a vertical magnetic field intensity B. What is the speed limit the...

Might rely on this? Lead should nevertheless increase the temperature?

Unfortunately, this coating of lead absorbs the radiation, but in the description of the problem has not been specifically written, only that absorbs radiation and, ironically, it comes even with the simplest method to distinguish between these isotopes.

I really care about, to know what it could be a method. If anyone of you has an idea I would be grateful.

I thought to write it this way E_{p}=-\frac{GMm}{r} F=ma \frac{GMm}{r^2}=\frac{mv^2}{r} \frac{mv^2}{2}=\frac{GMm}{2r} E_{k}=-\frac{E_{p}}{2} E=E_{k}+E_{p}=\frac{GMm}{2r}-\frac{GMm}{r} E=-\frac{GMm}{2r} This applies to the circular orbit, but in our case...

There is no information about it, but I think yes.

Homework Statement Big anaconda orbiting the planet XYZ-123 in a vertical position (along the radius of the planet and at a constant height). At some point, anaconda folded her in a small bundle. Is its orbit will be circular? He begins to recede from or approach the planet? 2. The...

Hello! If we had available for some two isotopes such as plutonium. One produced artificially, and the other not as example Pluton-238 and Pluton-242. If these isotopes would be protected by coating with a layer of absorbing radiation such as lead in what the easiest way we could identify them...

The fact that I forgot to define the / hspace number of the unit, but it worked for MathTex. Thank you anyway. I will experiment a bit with the tables.

Hello! I am writing because I do not know how to write the following formula in MathJax I have read this entire thread and information about extracurricular parentheses, but in this case it's not that simple. Did you have problems with habits relating to of the old system? What about...