Recent content by osman ibn ali

A kind of visual diagram with the strings and platforms is shown above.

l l Support A is 4.0m l ------- Platform 1 is 800 kg l l l Support B 3.0 m l l --------- Platform 2 is 1000kg

There is this problem that I have been trying to do but I just cannot understand how to approach it. I have been doing centripetal problems for hours so maybe I am just tired. The thing is that I do not see an equation I can use to cancel out radius since the radius is not given. I have...

Don't virtual particles refute the first premise??

I always thought that the quantum vacuum was absolutely nothing. But I have heard that the quantum vacuum is not nothing and contains energy although it is the lowest state of energy. I am not talking about the fluctuations rather I am talking about the vacuum itself. Also do quantum...