Physics - October 2006

Ok, so here's the question...

At the security area of an airport, you walk through a weak AC magnetic field inside a lare coil of wire. So then what is the result of a small piece of metal on your person that slightly alters the magnetic field in the coil?

2006-10-01 07:15:48 · 5 answers · asked by Anonymous

2006-10-01 07:15:32 · 4 answers · asked by Anonymous

If your metal car moves over a wide, closed loop of wire embedded in a road surface, will the magnetic field of the earth within the loop be altered? Wil thiis produce a current pulse? What would be an application of this for a traffic intersection?

2006-10-01 07:10:55 · 4 answers · asked by Anonymous

2006-10-01 07:07:58 · 7 answers · asked by Anonymous

2006-10-01 07:04:20 · 5 answers · asked by Anonymous

what will be the relative velocity of the first one with respect to the other light.

2006-10-01 07:02:01 · 10 answers · asked by arunjp1989 1

2006-10-01 06:51:03 · 4 answers · asked by mussinasmeg 1

2006-10-01 06:50:21 · 2 answers · asked by mussinasmeg 1

2006-10-01 06:42:26 · 21 answers · asked by Anonymous

That is generally we can identify if a man or a woman is speaking even without knowing their gender.
Any technical and scientific explanation plz.

2006-10-01 06:37:48 · 19 answers · asked by Anonymous

2006-10-01 06:37:42 · 11 answers · asked by nerdwannabe 1

what is the difference between energy absorbed and released in term of electrons?(i mean when a photon hits an electron how to know if energy is absorbed or released)
Please explain the entire processe clearly?

2006-10-01 06:35:32 · 2 answers · asked by piti 2

2006-10-01 06:22:29 · 5 answers · asked by mussinasmeg 1

A stone is thrown vertically upward with a speed of 12m/s from theedge of a cliff 75.0 m high
how much later does it reach the bottom of the cliff?
what is it's speed just before hitting the ground?
what total distance did it travel?

please write initial velocity as u and final one as v

2006-10-01 06:22:22 · 2 answers · asked by Anonymous

2006-10-01 06:09:49 · 2 answers · asked by Princess_k 2

What is the net magnetic force on a compass needle? And by what mechanism does a compass needle line up with a magnetic field?

2006-10-01 06:09:03 · 4 answers · asked by mussinasmeg 1

2006-10-01 06:07:18 · 7 answers · asked by ram2003 1

How would you tell that beneath a refrigerator door's layer of white-painted plastic is aluminum (without scraping)?

Could you use a magnet?

2006-10-01 06:06:06 · 5 answers · asked by mussinasmeg 1

So, how long does it take? Lightning struck our oak tree a few monthes ago and it has turned brown and the leaves are falling. When is it in danger of falling?

2006-10-01 05:59:23 · 4 answers · asked by -Veggie Chick- 3

What's different about the magnetic poles of common refrigerator magnets compared with those of common bar magnets?

2006-10-01 05:47:23 · 4 answers · asked by MegN 1

2006-10-01 05:45:40 · 4 answers · asked by MegN 1

Also, which one increases when the other decreases, and vice versa. Finally, say you have an LDR in a street lamp, when is the resistance high, during day or night, and why? Then what happens with the current?

2006-10-01 05:15:20 · 6 answers · asked by mbchelsea 1

A 44.0 kg child sits in a swing supported by two chains, each 3.01 m long.

(a) If the tension in each chain at the lowest point is 357 N, find the child's speed at the lowest point.

(b) What is the force exerted by the seat on the child at the lowest point? (Neglect the mass of the seat.)

2006-10-01 05:14:44 · 3 answers · asked by flossie116 4

whats holding up the hydrogen fuel cell technology?
we hear so much about, but see no progress.

2006-10-01 05:05:37 · 9 answers · asked by Anonymous

you will have to prove, with evidencing, your proposal that we live in a universe of 11 dimensions.

Otherwise it's PHILOSOPHY.

2006-10-01 04:57:58 · 3 answers · asked by Anonymous

2006-10-01 04:32:20 · 3 answers · asked by TUSHAR C 1

what colour would it appear to an observer on earth?

the ans is yellow but i dont know how?

2006-10-01 04:14:32 · 4 answers · asked by Anonymous

2006-10-01 03:45:16 · 21 answers · asked by GA K 1

i wanted to post in the science section to see what other pple think
about it

2006-10-01 03:26:35 · 15 answers · asked by Anonymous

about his work? what are his hobbies? about his life familay? for what he got the noble prize?

2006-10-01 03:21:20 · 22 answers · asked by Anonymous