Recent content by Newtons Apple

Thanks for the answers but I think I found the answer more akin to what I was looking for: There’s a fresh, intuitive explanation: The natural log gives you the time needed to reach a certain level of growth. as well as; So e is not an obscure, seemingly random number. e represents the idea...

Thanks for the replies everyone! I really appreciate it.. I'm only part way through calculus I so some of this is indeed a bit lost on me... but let me try to rephrase what you're saying...and you tell me if I have it right... So.. ln m0/mf We find what the number e needs to be raised to...

Hey folks...Ok so I have another question related to e and it's use in the natural log function, ln. I notice that the function ln() is used in things like the rocket equation, describing velocity of an object as it moves and uses fuel etc.. But glossing over that I'm just more curious as to why...

Hi everyone! In amatuer radio, when we transmit on a specific frequency, we 'use' that frequency and depending on the power you "use' a slice of bandwidth around that frequency. So if two people transmit on the same frequency there's either a pleasant conversation, interference, or they'll just...

Hi everyone, I was reading up on bit rate vs Baud speed, and sort of got myself straight with it, but I have a few questions.. First of all why isn't the term Baud still used? We see devices and speeds quoted at their bits per second speeds, but is this just by convention now, or is baud speed...

lol... in other words JohnnyRev "You're definitely not smart enough to tackle this yourself buddy!" :p

Antenna Size So I was reading the above thread, and loved the explanation at the end. But my remaining question on Antenna Size is that..Okay I get why for low frequencies we *need* to have bigger antenna, so how it is that people like Hams transmit on lower frequency, long wavelength channels...

I see! Thanks everyone, I never sort of combined the two pieces of knowledge that EM waves travel at the speed of light. And one hertz is the wave "Traveling" So it can travel (complete 1 cycle) once per 299792458 meters. Hence 2 cycles, means that it travels twice as fast...dividing that...

Thanks for the responses everyone...So I suppose without getting *Too* technical... why is it that lower frequencies can go through certain materials, but high frequency waves can't? What is it about the properties that make one wave good for one type of propagation? Just like how higher...

Hi everyone... So, I may be putting too much thought into this. But I'm studying for my Ham Radio license, and I was pondering the size of our allotted range of frequencies. The lowest frequency is in the 160 meter range (clocking in at 1.8 Mhz) So, of course I was thinking what other things...

Thanks CWatters! Appreciate the break down. Just a few other things that came up... 1. I have pretty old wiring in my house, and my Air Conditioner is plugged into a wall outlet, on the same line that I have an APC battery backup system connected to. Whenever the AC turns on (it turns off...

Hi everyone. I'm currently just beginning my studying for my HAM license, and had couple of questions... 1. when looking at different items, a battery, a lightbulb, my Nintendo DS, etc, the information about the electronic is different. For example, this battery I have here shows that it's...

Thanks for the replies. So because cell phones have such a wide amount of 'current drain', is this the reason why in the Cell phone specs, they provide how much the battery can supply, rather than providing how much the cell phone requires? Because it would be too variable depending on what...

Hello everyone. After googling my eyes out, the only hits I get are about people wondering how much to charge their cell phones. I'm looking for a more academic view point on this. My question is this... Cell Phones, like any device require power. I'd like to find out how many amps or miliamps...

Ah, I see. Lastly, do the normal rules of algebra, order of operations, and simple algebraic rules even apply to these huge and more complex equations, or formulas? And thanks for the list of math symbols!