Physics - January 2007

2007-01-06 14:47:36 · 7 answers · asked by ionbreather 2

why not ?And what did einstein know about speed anyway he published his paper in the early 1900's.

2007-01-06 13:43:00 · 14 answers · asked by Shark 7

NEED TO NO 4 FAIR

2007-01-06 13:34:45 · 12 answers · asked by JEFFREY O 1

Suppose a cart is being moved by a certain net force. If a load is dumped into the cart so its mass is doubled, by how much does the acceleration change?

2007-01-06 13:14:45 · 3 answers · asked by blah 3

I'm trying to learn more about siphons. We haven't learned much about them in school yet, however I've searched a bit on the web. So far, I know that the higher the level of the water, the more water pressure that will be exerted.

Here's the question: is it possible to rise the pressure WITHOUT changing the level of the water? So far, the only way that I have experimented with is changing the size of the tube on the receiving end of the water. This provided results, but I want to know if you can change the pressure by altering factors in the tank holding the water. (Again I want to keep the initial water level the same.)

Websites where I can find out more are helpful, but I prefer direct answers.

Sorry if this is hard to understand. I don't know much terminology on the subject.

2007-01-06 13:12:25 · 2 answers · asked by Anonymous

I may be wrong... but isn't time just a sequence of events? at absolute zero nothing can move therefore there are no events to sequence so could time exist?

2007-01-06 13:10:10 · 14 answers · asked by Anonymous

and what about the direction of the flow of electrons... I think it's from the negative to the positive .. right ?
thank you so much ... :)

2007-01-06 13:04:47 · 8 answers · asked by Anonymous

Imagine i have a capacitor of capacitance 100uF.Capacitance is nothing but the energy the capacitor can store?.If E=mc2 is true, then my capacitor must be able to store the same energy at all times, but in real case my capacitor fails after some days or months?what is the hidden mystery. kindly help me off....

2007-01-06 13:04:16 · 4 answers · asked by deepak v 1

Imagine i have a capacitor of capacitance 100uF.Capacitance is nothing but the energy or charge it can store. But my capacitor
fails to work after some time, and i threw it off. If E=MC2 IS correct, it must have the same capacitance and must not fail with time.Could you plz explain me the hidden mystery?.......

2007-01-06 12:58:14 · 4 answers · asked by deepak v 1

If you were in a spaceship annd launched a cannonball into frictionless space, how much force would have to be exerted to keep it going?

2007-01-06 12:35:15 · 2 answers · asked by blah 3

and relative to what? Where to read about this for simple folks?

2007-01-06 12:33:24 · 6 answers · asked by farmer 4

2007-01-06 12:11:38 · 22 answers · asked by Katie E 2

2007-01-06 11:57:34 · 10 answers · asked by xneoshadowalkerx 1

whn a solid melt on constant pressure the vollume of thr resulting liqudi does nt differ much from the volume of solid using the 1st law of thermodynamics and the latent heat of fusion describe how the internal energy of the liquid compares to the internal energy of solid.???

2007-01-06 11:54:20 · 1 answers · asked by krish s 1

Please be as specific as you can?

2007-01-06 11:53:03 · 1 answers · asked by Dominator. 2

2007-01-06 11:49:56 · 7 answers · asked by knowitalleeeee 1

theres a garden roller which has a mass of 80kg
its pulled with a force of 250N at an angle of 30 degrees to the horizontal and it moves at constant velocity....

- how is the roller able to travel at constant velocity when being pulled by a force of 250N?
- if the roller was to be *pushed* with a force of 250N at an angle of 30 to the horizontal, what would be the changes that occur to the force exerted on the ground by the roller?

plzzzz help i am sooo stuck!!!
thanxxxx

2007-01-06 11:33:57 · 6 answers · asked by 0425x 2

Can we double the frequency of the crystal oscillator if connect it in series just like connecting 2 resistors of 10k each in series will become 20k total?

2007-01-06 11:31:32 · 3 answers · asked by Dominator. 2

eXAMPLE, IF A DRIVER MOMENTARILY LOSES CONCENTRATION, HOW LONG IS THAT?

2007-01-06 10:50:07 · 5 answers · asked by pete F 1

I was wondering today, why do coals get so hot when blown on? The air rushing past should be carrying heat away from them, helping them to cool down. Can anyone answer this for me?

2007-01-06 10:46:31 · 5 answers · asked by Anonymous

if you had 2 things like a one wieghing 10000kg and another 50kg and you let them go from a place of like 12feet high which one will land first?

2007-01-06 10:21:09 · 10 answers · asked by Anonymous

2007-01-06 09:53:37 · 6 answers · asked by mona l 1

The word "dimension" is a descriptive word. Isn't saying dimensions can curve like saying the number "3" can curve?

2007-01-06 09:52:32 · 4 answers · asked by Fool 2

a.) are the most reactive
b.) have the largest volume
c.) are all the gases
d.) have the highest ionization

2007-01-06 09:36:21 · 2 answers · asked by killsyche 3

a.) closest to the nucleus
b.) in the lowest energy level
c.) in the highest energy level
d.) combined with protons

2007-01-06 09:15:42 · 4 answers · asked by killsyche 3

2007-01-06 08:44:24 · 9 answers · asked by The enforcer 1

2007-01-06 08:43:41 · 5 answers · asked by The enforcer 1

Why, when we lift our eyes to the skies and see a plane flying, does it seem that the plane moves really slow, when in fact at that moment the plane might fly at 800, 900 or even 1000 km per hour?

2007-01-06 08:40:52 · 13 answers · asked by Anonymous

it dosn't madder the type of car

2007-01-06 08:32:46 · 4 answers · asked by red_star_56 4

It seems that when people are dead their bodies surface on water but when people are alive they go down unless they swim. Why is that?

2007-01-06 08:30:04 · 5 answers · asked by Anonymous