Recent content by Matt G

Sorry but it would just confuse me if I did. It seems like an abstract question and not one about a particular case

When two cars crash into one another they generally come to a stop, yet we are told momentum cannot be created or destroyed. Where did their momentum go? It seems like the kinetic energy went into the damage in the vehicles but apparently that has nothing to do with momentum?. Thanks...

Thanks mfb Yes that is what I thought but is very counter-intuitive to the average person. Do you or anyone else have advice on how to explain it well I should add that you have already made an important point for me in regard to the relationship to the Earth and perhaps that is the point i need...

I am a physics novice but I recently became a little confused about the direction of a force matters in terms of impact with another object This probably a poor example but let's say in the first case a human body is still relative to the Earth and the bullet is traveling at 2,00 feet per...

I have no objection to your description. But the phrasing of 'bad luck, which another person here objected to, seems to create a different connotation

But complexity cuts both ways. Those arguing that no environmental or genetic cause exists for a certain number of cancers must therefore assume their modeling systems are complex enough to reflect all the variables involved.

I am not much of a physicist or biologist, but my impression is that the uncertainty at the quantum level is rarely expressed at the non quantum level. The speed of light and gravity have little uncertainty associated with them as far as I know, so are we to understand biology to be dfferent?

I am just curious what people here think of this claim from the new medical study? My impression is that the effects of quantum uncertainty are rarely if ever seen in the non quantum realm. Or to put it another way, wouldn't it be more likely that the cause of these cancers is indeed from...