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Physics - May 2007

[Selected]: All categories Science & Mathematics Physics

2007-05-15 06:44:28 · 2 answers · asked by thickncshorty 1

2007-05-15 05:53:31 · 16 answers · asked by dar t 1

According to Einstein no matter can exceed the speed of light...so what would happen if you had a giant wheel spinning in space and you bolted a rocket ship say 2 miles from the center of the wheel traveling at 20% of lightspeed and then you bolted a second ship securely to the wheel 20 miles from the center of the wheel...It would seem the second ship would need to travel faster than light to keep up...Would the outer part of the giant wheel just disintegrate or what?

2007-05-15 05:52:19 · 8 answers · asked by krypto'nstreaky 2

Quote by the great comic. Steve Wright

2007-05-15 05:27:37 · 18 answers · asked by Anonymous

A verse from Rigveda (in Sanskrit) says "Yojanam Sahastra Dwe Dwe Shate Dwe Cha Yojana Aken Nimishardhena Krammana Namostutey" (1, 50-4), which in English stands "I salute Thee (Sunlight), who moves 2206 Yojana in half Nimish".
'Yojana' is well known in India & is equivalent to 4 'Kose', each 'Kose' measuring 8,000 yards or 8000 X 0.9144 metres.
'Nimish' is defined in the Hindu Sacred book, "Srimadbhagwat Gita"(111, 11-3 to 10), where 15 'nimish'es make 1 'kashta', 15 'kashta' make one 'laghu', 30 'laghu's make 1 'muhurta' and 30 'muhurtas' make one 'Diva-Ratri' (Day-Night). Day-Night is 24 hours. Hence a simple calculation converts the speed of sunlight as 3.00 X 10^8 m/s which is the speed of light in S.I.unit, correct upto two significant digits
Since Rigveda is one of the earliest of Vedic literatures that dates back to 1500-500 B.C., determination of speed of light with such accuracy is amazing and incredible, isn't it ?

2007-05-15 04:27:52 · 17 answers · asked by saudipta c 5

Have you ever noticed when you are working on something, and you drop a piece of it, that it somehow bounces a ridiculous distance away? I dropped a screw on carpet, and it ended up about 15 feet away. Anyway, what should this law of nature be called?

2007-05-15 04:21:53 · 5 answers · asked by Biskit 4

Help. I need to know if weight changes when one goes down a hole in the ground like a well. Thanks.

2007-05-15 04:04:54 · 8 answers · asked by Nia F 3

what are the four major problems faced by classical physics at the turn of the twentieth century, how was each problem resolved by "quantization" ?thanks for answering

2007-05-15 03:44:46 · 2 answers · asked by edbiology 1

Any suggestions on myths I can bust for a 12th grade science project?

2007-05-15 03:27:03 · 4 answers · asked by Ken C 2

You need to reach a certain speed to break the earth's gravity, But what happens to a plane that keeps gaining altitude? Does it eventually become physically unable to go any higher? Does it get forced to level off?

2007-05-15 02:44:57 · 9 answers · asked by Anonymous

If we make powerful microscopes in future, can we see strings or not? are there in 3-D world or 6-D?

2007-05-15 02:28:32 · 5 answers · asked by mahsima s 1

Is it real or made up ?

2007-05-15 02:04:16 · 10 answers · asked by Anonymous

Whether the motion of the ball depends on the mass, material of the ball and/or position/diameter of the whole.

2007-05-15 01:55:37 · 6 answers · asked by Indian Primrose 6

A. 61J
B. 600J
C. 2940J
D. 5880J

2007-05-15 00:56:26 · 3 answers · asked by Anonymous

2007-05-15 00:54:40 · 1 answers · asked by vinayaga m 1

A glass which an ice cubes filled with water...

2007-05-14 22:24:47 · 8 answers · asked by mawbrey 1

on a distant planet(planet X), the acceleration due to gravity is less than it is on earth.

2007-05-14 22:18:32 · 6 answers · asked by mawbrey 1

as a person dives towards the bottom of a swimming pool, the pressure increases noticeably. (density of water is constant)

2007-05-14 22:13:30 · 3 answers · asked by mawbrey 1

Say if it was possible for someone to dig a hole that went from the top of the earth, right through the middle of it and came out through the bottom. If someone was to jump down this hole, What would happen? Would they get to the middle of the earth then just be suspended in mid air due to gravity pushing down from both sides. Or would they go from one side, right through the earth to the other side, then fall back in the opposite direction, due to gravity pushing them back and fourth???

lol

2007-05-14 21:56:40 · 7 answers · asked by Anonymous

please give in detail

2007-05-14 21:27:01 · 12 answers · asked by banumathi 1

A 1 m E 8 m
B 2 m F 10 m
C 3 m G 12 m
D 6 m H 15 m

2007-05-14 20:06:22 · 2 answers · asked by bud1658 2

i've gone 2 page 500 in the undecided questions, but they're still 1 day left 4 voting. where are the ones just waiting 4 a tiebreaker?

2007-05-14 18:15:54 · 1 answers · asked by Jynn 4

2007-05-14 17:21:07 · 10 answers · asked by lamp 1

ok ive already posted a question about wat to put into my conclusion and stuff (thanx for the gud answers) but now im stuck i have to compare my result with the theoretical value of g= 9.81 m/s², my personal result came to 7.6m/s^2... how can i compare them?

If you dont know or havnt seen my other posted question this is the experimant we did,


1. equipment was set up

2.One group member held the top of the ticker tape with mass just beneath the ticker timer

3.The tape was then released, allowing the tape to move through the ticker timer as the mass fell into the bucket below

4.The tape was then labeled with one of the group members names

5.Step 1-4 were repeated until each group member had an accurate record on tape

(The aim of the experiment is to measure a ticker timer to measure the acceleration due to gravity.)

ive done the conclusion and everything else just not the comparing bit...?

some1 said that you have to do this -
[7.6- 9.81| / 9.81] x 100%

2007-05-14 17:17:00 · 4 answers · asked by jazzie fizzle 1

A brass ring of diameter 10.00 cm at 19.0°C is heated and slipped over an aluminum rod with a diameter of 10.01 cm at 19.0°C. Assuming the average coefficients of linear expansion are constant.
(a) To what temperature must this combination be cooled to separate the two metals?

________C
Is this temperature attainable?
yes

(b) To what temperature must this combination be cooled to separate the two metals if the aluminium rod were 10.05 cm in diameter?
_________°C

2007-05-14 17:14:17 · 1 answers · asked by Emma 1

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