Recent content by Pergatory

The whole confusion about the concept of present exists only when you assume that the present moment spans an infinitesimal duration. The present moment is exactly that - a moment. A snapshot. Events do not take place in moments, they take place in durations. That is why nothing can occur "in...

It's a matter of compromise. Not really a black & white scenario where there is "drive fast, break your car, and win" or "drive slow, keep your car, and lose." You only crop food as fast as it can grow, not as fast as you can eat it. If you can afford gas/tires/oil and other basic maintenance...

You are correct, the rolls are not there if you don't want them. More correctly, they are not there if you don't open the cupboard and observe them. Until this occurs, the rolls are merely in a quantum superposition of all possible states. :wink: On a more serious note, the specific context...

You're kidding right? Science isn't even unified within itself, it is comparmentalized into so many different topics that the root forums of Physics Forum don't even have threads, but merely contain sub-forums which then contain threads along with even more sub-forums. Now you are asking us to...

That's it! I've heard enough of this madness! The monkeys must be stopped! I propose setting up a rebel faction of terrorist scientists to oppose the rising force of typewriter monkeys. I suggest our immediate course of action should be an attempt to secure all typewriter-related assets...

I believe he was asking: I believe that metaphysics begins where physics ends. When you go outside the realm of things which can be measured or studied, that is the metaphysical. Is abortion "right?" That is a philosophical question because science has no use for the idea of "right." Right...

Erazman the feeling you are describing sounds similar to something I've experienced from time to time. I've always found it rather relieving, actually. Almost like a euphoria, it's energizing like being younger. When I enter this state of mind it feels as though all the doors in my mind have...

F x L = T F (Force) is the force of gravity pulling on the 2kg mass, which converts to 19.6N. L (Length) is the distance to the focal point which is 3m (the radius of the cylinder). Moment of inertia is not used in this problem.

Don't get condescending on me. Your question is philosophical, not scientific. It's trivial. It's no different from the questions I have asked. You are asking whether something exists when it cannot be measured, and its effects are non-existant. No one will ever be able to answer your question...

If no current is going through a wire, does it still have resistance? If a tree falls in the woods, and on one is around to hear it...

I'll second that! I've surely eaten more beanut butter & banana sandwiches in my life than all other types combined. Could this be ambrosia? :approve: I like the smell of gasoline. I enjoy agreeing with peoples' opinions in ways that make them question themselves. Even if I really do agree...

Why is motion a requisite for inertia? You said yourself that if the object has mass, it has inertia. This is the only requisite. Motion is merely a matter of the frame of reference. Inertia exists independent of a frame of reference. To say that an isolated object would not have inertia is to...

You have answered your own question. By isolating the object, you only ensure that no forces will act upon it. You are nullifying the effect of inertia because how can an object resist zero change? However, nullifying inertia does not eliminate inertia. If some force in the future should act...

I'm sorry, you're right, for some reason I always have those two switched in my mind. The object will always have inertia regardless of whether it is in motion or not. Of course, without an understanding of our own universe, we would never know it has inertia because no external forces would act...

:confused: Assuming no heat loss, we begin with 0.0004 Joules, and end with 0.0004 Joules, right? What energy is lost?