Physics - March 2007

Einstein was right when he said that humans cannot travel faster than the speed of light. But he was wrong in his assertion that matter is generally related. So far particle physics has proved nothing of importance to disprove Einstein in his latter hypothesis either. Yet, it is true that he was wrong here.

2007-03-17 02:25:45 · 2 answers · asked by Anonymous

Einstein was right when he said that humans cannot travel faster than the speed of light. But he was wrong in his assertion that matter is generally related. So far particle physics has proved nothing of importance to disprove Einstein in his latter hypothesis either. Yet, it is true that he was wrong here.

2007-03-17 02:25:15 · 2 answers · asked by Anonymous

2007-03-17 02:11:27 · 6 answers · asked by b happy 1

Are they in any sense composed of energy that can be divided into photons and would this make them any less "fundamental"? Does the photon's wavelike qualities impact the question?

2007-03-17 02:00:57 · 2 answers · asked by Andrew H 2

Its about how the resistance of a wire increases with the length of the wire. I got good results and a few are anomalous. I just don't know hat to conclude and evaluate about it. All my teacher has said is to add scientific explanation and i just have, but i would be 6 marks short. I need to know hat things to consider to write or even what to write. Any help will be appreciated and a bset answer lol. P.S I am at GCSE standard. Thanks

2007-03-17 02:00:47 · 4 answers · asked by msjamalan 3

A ball, attached to a string of length L = 107.0 cm, is released from a horizontal position, and when the string is vertical it hits a fixed peg at point P, located a distance d = 79.2 cm below the string's pivot point. The ball then swings around the peg, following a new (smaller) circle.
How fast will it be going when it reaches the highest point in its swing after hitting the peg?

2007-03-17 01:55:52 · 3 answers · asked by Geoff M 1

Tarzan, who weighs 608N, swings from a cliff at the end of a convenient vine that is 22.0m long. From the top of the cliff to the bottom of the swing, he descends by 3.2m.
If the vine doesn't break, what is the maximum of the tension in the vine?

2007-03-17 01:53:15 · 1 answers · asked by Geoff M 1

If you need a reference to 'empty' space you can read it at the blog

http://ca.360.yahoo.com/mr.robinparsons

Recent postings

(I) suppose this is really a question for the evolutionists, a religious-physics-metaphysics question.

BTW my knowledge tells me that that is the infinite (What is know-able as 'Empty' space) and that, that 'infinite' is God or Creator as that is from whence this Seemingly occupied or, full space, comes from, evolves from.

(Occupied or full space includes perceivable 'outer' space {The Universe} as, even thought that looks 'empty' - it is not, there is energy there, and the 'Particle Planck' - too!)

Is this a good question? to make it go away simply report it as abuse.

2007-03-17 01:34:33 · 7 answers · asked by occluderx 4

Where Go = Sigma o, representing surface charge distribution.

2007-03-17 01:27:19 · 1 answers · asked by Anonymous

This question was found in context to a chapter about momentum and Newton's Laws...so you can think along that direction. And it isn't mentioned that the bridge is sloped, which is why I cannot find the answer.

2007-03-17 01:20:28 · 3 answers · asked by Anonymous

2007-03-17 00:25:36 · 7 answers · asked by Anonymous

what do u think how they bulled becoz the scientest cannot discover the rigth solotion of that!

2007-03-16 23:58:35 · 1 answers · asked by stranger_eyes2007 1

2007-03-16 23:09:14 · 4 answers · asked by ouma06 1

When we throw a peeble in a calm pond we see many concentric rings are created around the point. Do all the concentric rings represent one wave or does each ring represent a different wave?

2007-03-16 22:58:56 · 4 answers · asked by Anonymous

Ignore mass/weight of glass

2007-03-16 22:38:53 · 2 answers · asked by Anonymous

if we know that energy is being transmitted from one place to another, how can we determine whether the energy is being carried by particles(material bodies) or by wave?

2007-03-16 22:05:50 · 2 answers · asked by Anonymous

2007-03-16 22:00:00 · 5 answers · asked by Anonymous

Thank you.

2007-03-16 21:31:00 · 6 answers · asked by RackmanagerPro 3

i need instructions to build a simple (non polluting )gravity defying machine that can hold an egg in it over 15 metres n fall to the grund while flying without damaging the egg!

2007-03-16 21:23:37 · 5 answers · asked by emile s 1

My husband and I are having a debate as which is structurally stronger....a sphere or a pyramid. Which is correct?

2007-03-16 21:05:34 · 22 answers · asked by dnbgrrly 2

i was wondering if anyone know what electro magnetism is and how it creates magnetic fields and how it works

2007-03-16 21:01:56 · 6 answers · asked by Anonymous

You have a metal tank which measures: length 6ft x depth 4ft x breadth 10ft How many gallons of imperial "FRESH WATER” will the tank hold?

2007-03-16 20:34:16 · 10 answers · asked by alan b 1

2007-03-16 20:08:45 · 1 answers · asked by wincel 1

I have a fairly solid grasp of fundamental metaphysics... in that I understand the concepts behind relativity, bubble theory, and to a certain degree (more than most anyway) quantum mechanics, But it seems like anytime i pick up a book to learn about string theory I'm forced to recap those theories. As those of you who have studied these know, it can get a little tedious. I'm just looking for a good book that will cut straight to the heart of string theory. It would be even better if i could get it as an article or something that i could read online, so i don't hafta rough up my librarian over some late charges :)

2007-03-16 20:02:07 · 4 answers · asked by Anonymous

A boy 5 ft. tall is walking away from a street at the rate of 3 ft./sec.. If the light is 12 ft. above the level ground, determine (a) the rate at which the tip of his shadow is lengthening, (b) the rate at which the tip of his shadow is moving and (c) the rate at which his head is receding from the light when he is 24 ft from the point directly below the light .

2007-03-16 19:47:42 · 1 answers · asked by sircnai21 1

2007-03-16 19:47:21 · 4 answers · asked by kim sanders 1

2007-03-16 19:25:15 · 4 answers · asked by Hi ^o^ 3

2007-03-16 19:16:16 · 3 answers · asked by pouriaseper 1

if we could travel at the speed of ligth (300.000 kph aprox) thst make a "curve" in the time and the space and the will travel in time...... cool rigth? but where are we going? to the future ? to the past? in what place of age ?

a lot of points to the best.

2007-03-16 19:13:22 · 5 answers · asked by Anonymous

a)1-kg block led
b)1-kg block of aluminum
c)is the same of each

2007-03-16 18:54:09 · 4 answers · asked by cesar i 1