Physics - September 2006

Why is this?

2006-09-05 09:41:25 · 21 answers · asked by David T 3

2006-09-05 09:36:14 · 7 answers · asked by pepperr123 1

2006-09-05 09:33:06 · 12 answers · asked by David T 3

I always wanted to know...

2006-09-05 09:12:31 · 24 answers · asked by soccerandlaxfan4life 2

I have already asked this question but I did not get satisfying answers. I want to know why the colour of darkness, which is a situation where there is no light, is always black. So, according to this, when there is no light falling on an object, the object appears dark in colour. But how come we can see black things, like your black hair on your head or your black bag. As far as I know light is falling on these objects as I see them, but I can see them black. So why do we see black when there is darkness and we do not see darkness as brown or white or any other colour except black. Can anyone tell me please??

2006-09-05 09:08:10 · 9 answers · asked by Y L 2

What is the relativity theory really? Is there proof to it? What does it propose?

2006-09-05 08:45:14 · 8 answers · asked by Gerardo 3

2006-09-05 08:23:41 · 2 answers · asked by donbrown35 1

If its true then wouldn't it be a disadvantage to dark-skinned people because they live in sunny areas and hence more prone to heat stroke?

2006-09-05 08:20:58 · 12 answers · asked by Rustic 4

I'm a commerce student, still interested in application of trignometry in electronics and real life senario.

2006-09-05 06:48:13 · 7 answers · asked by ameyinamdar 1

2006-09-05 06:14:27 · 2 answers · asked by zo shirazi 1

2006-09-05 05:43:51 · 10 answers · asked by Anthony L 1

scientific reason

2006-09-05 05:38:29 · 4 answers · asked by Anonymous

The photo electric effect tells me that light is a particle and electrons are dislodged by direct collisions between photons and electrons.

However, why is it that thermionic electrons can be build up by gradual accumulation of energy?

2006-09-05 05:31:23 · 3 answers · asked by Anonymous

2006-09-05 05:31:18 · 4 answers · asked by Hari S 1

If all matter has some gravitational pull, and the only explanation to magnetism is electrical energy, that'd mean that all matter has it's own electrical fields. Even nonconducive objects that wouldn't conduct electricity. Are all things magnetic? Explain gravity's relation to attraction of objects.

2006-09-05 04:48:50 · 12 answers · asked by Answerer 7

2006-09-05 04:33:50 · 11 answers · asked by graciousghazal 1

when does projectile motion come into application? is there any specific formula that explains it?

2006-09-05 04:33:14 · 5 answers · asked by mugdha_coolgirl8 1

I quite enjoy the Waltzer at the fair, but it never seems to spin as fast as the other cars with more people in. Sometimes, it hardly spins at all. I'd be interested in learning the science behind it, so my friends and I can put it to (maybe-not-so) practical use. I'm guessing it probably hads something to do with weight disrubution, but after that I don't really know. Anybody like to educate me in the ways of the Waltzer?

2006-09-05 04:32:11 · 17 answers · asked by Laura 2

I have adjusted the temperature of my water heater to a very high degree, primarily because I don't use the dishwasher, and the hot water helps to sanitize the dishes. I live alone so I don't have to worry about others being scalded.

I have 2 questions:

1. Does hot water have a self-insulating effect? If I keep my water at a higher temperature, does it use less electricity because the hot water is keeping itself hot inside the water heater? I am hoping so, because I like to conserve electrictiy, however the sanitizing aspect is extremely important to me for health reasons.

2. At a certain temperature, does the hot water start to damage the copper plumbing? If so, what temperature?

2006-09-05 04:29:29 · 3 answers · asked by blueblood 2

2006-09-05 04:19:02 · 12 answers · asked by geordiewynn 1

If you fire a gun with a range of say 400 meters, at 399 meters would you be able to see the bullet slow down and fall to the ground?

2006-09-05 03:49:58 · 37 answers · asked by roadster1_98 1

you are in different time zone. However, you read this question now. So, we are talking about traveling in time. Please tell me more about it?

2006-09-05 03:40:27 · 9 answers · asked by Anonymous

2006-09-05 03:35:08 · 32 answers · asked by leestandell 1

2006-09-05 03:33:04 · 7 answers · asked by Friend 1

Siphon is very useful in industry field. However, what could we do with siphon at home?

2006-09-05 03:30:40 · 4 answers · asked by 1234 1

there was a show on tv that said that, on sub molecular level, there is no time.. does that mean that there is no space there?

2006-09-05 03:27:20 · 6 answers · asked by manu 1

2006-09-05 03:10:39 · 5 answers · asked by unquenchablethirst 2

Since we don hav any methods to show it as a drawing over here so just write the method.............

2006-09-05 02:25:31 · 3 answers · asked by zo shirazi 1

2006-09-05 02:25:02 · 5 answers · asked by Stephen L 1

Since we don hav any methods to show it as a drawing over here so just write the method.............

2006-09-05 02:13:48 · 2 answers · asked by zo shirazi 1