Physics - November 2006

If i hold a mole of material in my hand, it means that the weight of that material is equal to the molecular weight of that material; has 6.02E23 molecules in it and occupies a volume of 379.4 cubic feet at standard conditions of 14.7 psia and 60 deg F.

2006-11-17 01:10:24 · 2 answers · asked by ankeet81 1

To clarify my previous question, "If God doesn't exist, then who created the first atom?" I would like to add this. First of all, I do believe that He exists. In answer to one of the answers received, God has no begining and no end so therefore He has no creator. Using the atom as an example may have been wrong on my part. If you can imagine the very first particle, whether it be a component of the atom, a beam of light or even a void, someone or something had to create it. It's impossible for something to create itself out of nothing. Therefore, there has to be a superior being.

2006-11-17 01:09:12 · 20 answers · asked by terminator 1

2006-11-17 00:52:32 · 5 answers · asked by wizco1980 1

2006-11-17 00:16:22 · 3 answers · asked by daydreamer 3

2006-11-16 23:47:46 · 4 answers · asked by poc 2

i m in +2 n need a good physics project can someone plz tel me where to find it i prefer a project about electrostatics or current electricity

2006-11-16 23:40:43 · 4 answers · asked by desperate girl 1

2006-11-16 23:28:53 · 9 answers · asked by poc 2

2006-11-16 23:27:10 · 4 answers · asked by poc 2

2006-11-16 23:20:48 · 15 answers · asked by Paul E 1

This really bugs me.

2006-11-16 23:00:53 · 5 answers · asked by festeringhump 4

If we travel on road in direction of an aeroplane, the plane appears to go fast but when travelling in opposite direction it appears still or with less speed. This contradicts relativity theory. Please explain.

2006-11-16 22:19:36 · 2 answers · asked by akd 1

2006-11-16 20:56:41 · 29 answers · asked by zoomraker 1

2006-11-16 20:28:42 · 5 answers · asked by Anonymous

someone is traveling at the
speed of 10 mph when a car passes them. (from their
reference)they estimate that the car is traveling
45mph towards them and away. how fast is the car
moving from a rest point of view on the ground.

2006-11-16 20:11:15 · 1 answers · asked by El 1 1

If you were able to extract 100% of the energy available in 1 kilogram of hydrogen, how much energy would you have? How much from 1 kilogram of uranium?

2006-11-16 20:09:50 · 1 answers · asked by El 1 1

plasma that is the 4 state of matter

2006-11-16 20:03:08 · 2 answers · asked by gori 1

2006-11-16 20:01:30 · 3 answers · asked by rahulguha23 1

A)its temperature changes

B)it may change phase

C)thermal energy has been transfered into or out of the substance

D)all of these

2006-11-16 20:00:24 · 5 answers · asked by Anonymous

related to current

2006-11-16 19:54:55 · 12 answers · asked by harsh v 1

Archimedes Principle
What is the radius of a hydrogen filled balloon that would carry a load of 5750 N ( in addition to the weight of the hydrogen) when the density of air is 1.29kg/m^3. ( density of hydrogen is .0899kg/m^3).

2006-11-16 19:25:34 · 3 answers · asked by Dani S 1

The human lungs can function satisfactory up to a limit where the pressure difference between the outside and inside of the lungs is one-twentieth of an atmosphere, if a diver usesa snorkel for breathing, how far below the water can she swim? Assume the diver is in salt water whose density is 1025kg/m^3.

2006-11-16 19:21:29 · 1 answers · asked by Dani S 1

A person who weighs 625N is riding a 98N mountian bike. Suppose the entire weight of the rider and bike is supported equally by the two tires. if the gauge pressure in each tire is the 7.60 X 10^5 Pa (N/m^2), what is the area of contact between each tire and the ground?

2006-11-16 19:17:36 · 1 answers · asked by Dani S 1

What is the machine that is used to measure sine and cosine waves? All I know about it is that you can see the waves colored green, and it has something to do with sound and pitch...like you hook it up and make a sound and you see the waves and take readings. What is it called?

2006-11-16 17:38:21 · 9 answers · asked by Anonymous

2006-11-16 17:31:46 · 8 answers · asked by prithvi n 1

A yo-yo is being spun and is moving in a circle 6.5 cm in radius at a speed of 24 cm/s
while making an unknown angle with the vertical.

a) Determine the angle .

The \rope" holding up the yo-yo is actually a rubber band whose
spring constant is 3.1 N/m. If the mass of the yo-yo is 0.10 kg,
determine the unstretched length of the rubber band.

2006-11-16 17:11:42 · 2 answers · asked by ncope196 1

A 50.0 kg skier is at the top of a slope. At the initial point A, the skier is 10.0 m vertically above the final point B.

(a) Set the zero level for gravitational potential energy at B, and find the gravitational potential energy of the skier at A and B. Then find the difference in potential energy between these two points.

(b) Repeat this problem with the zero level at point A.

(c) Repeat this problem with the zero level midway down the slope, at a height of 5.0 m.

2006-11-16 16:57:25 · 1 answers · asked by Fanjame 1

Student A has half of the kinetic energy of student B. Student A speeds up by 1.0 m/s, at which point she has the same kinetic energy as student B. If student A's mass is twice the mass of student B, what was the original speed of student A?

2006-11-16 16:40:03 · 1 answers · asked by J39P 1

Please help me for my test tomm. Ill be waiting for replys

A miniture 8Newton truck travels at 3.2 m/s on a horzantol beneath a loading tube. When directly under the tube a 1.60 k/g of weight falls instantaneously in the truck. what is the velocity AFTER the car is loaded with the weight...

so the final velocity is definetly under 3.2 m/s.

Anyoneeee?????? please show me the steps and equations thanksss

2006-11-16 16:15:35 · 5 answers · asked by ksk_gt 1

I'm sure it's obvious I'm not a physicists here.

I was just wondering... the way that scientists discovered protons and other sub-atomic particles were composed of still smaller particles (like quarks), has anyone ever suggested that their may be an infinite regression of particle size. Meaning you would never be able to find the smallest, most fundemental particle?

2006-11-16 16:06:23 · 3 answers · asked by skeptic 6

What is the gravitational potential energy of the ball relative to each of the following?

(a) the ceiling

(b) a point at the same elevation as the ball

2006-11-16 15:51:56 · 2 answers · asked by J39P 1