Physics - December 2007

Please help if you can. I need pounds of force on the hand.

2007-12-27 11:36:40 · 5 answers · asked by Anonymous

just wondering...

2007-12-27 11:30:42 · 16 answers · asked by Dolphinace 3

And what's relationship between mechanics and particle physics, parallel or inclusion?

2007-12-27 11:28:46 · 3 answers · asked by Anonymous

From some place beyond the solar system, a meteorite composed entirely of dark matter is headed sraight for the earth. It has a mass of 50,000 kg and is the size of a loaf of bread. Should we worry?

You can assume that dark matter has no interaction via the electromagnetism.

2007-12-27 11:19:56 · 7 answers · asked by Frst Grade Rocks! Ω 7

If Tiger Woods were to play golf on the Moon, how would it affect his game? In particular, how much higher and how much farther would a drive go on the Moon? Include an algebraic solution/explanation.
44 minutes ago - 3 days left to answer.

2007-12-27 11:18:58 · 4 answers · asked by akanthasy 1

I'm red and it's my second move. There's money on the game so I'm being extra careful. It looks safe to take the pawn. Should I go for it?

2007-12-27 10:49:42 · 6 answers · asked by Anonymous

Im sure this is a stupid question, but is an atom indivisible? I thought that it could be split, thus causing an atom bomb, but I really am not sure...Thank you

2007-12-27 10:14:01 · 7 answers · asked by melpatel1 3

The resistance of these incandescent light bulbs was 8.90 ohms on the average (+/- 0.251 ohms if you want to split some hair):
a) How much current will the bulb consume on the average if I plug it in a 120 V circuit?
b) How much current will the bulb consume in a 12.0V circuit?
(Values are in RMS)
How do I do this problem?

2007-12-27 09:39:47 · 10 answers · asked by Edward 7

2007-12-27 09:12:58 · 7 answers · asked by humble.earthling 2

2007-12-27 09:07:42 · 6 answers · asked by Anonymous

If the EM spectrum is about 3Hz - 300EHz, and light is only 300THz-800THz, a very, very small sliver. Then do photons (quanta) also exist in the other frequencies?

2007-12-27 08:50:57 · 8 answers · asked by Anonymous

This is the third of three,

The wind is blowing 25 miles an hour and you are drifting in a boat in the same direction the wind is blowing[which does'nt happen but for this question it does]and you go to fly a kite,what is that kite going to do?

2007-12-27 07:43:51 · 4 answers · asked by Anonymous

2007-12-27 07:38:51 · 3 answers · asked by jumpy789 1

If a balloon filled with Helium had a 3 foot diameter, how many cubic feet of gas would be in it? Also how much weight would that balloon be able to lift? (How many pounds?)

2007-12-27 07:24:23 · 3 answers · asked by ? 4

If a balloon filled with Helium is released on a windless day, what is the rate at which it will rise? Does it keep ascending at a constant speed or does it rise faster and faster as it goes up?

2007-12-27 07:21:16 · 1 answers · asked by ? 4

What is the lifting power of Helium? For example how many cubic feet of Helium would it take to lift a 5 pound weight?

2007-12-27 07:17:08 · 2 answers · asked by ? 4

You are driving down the road at the speed of light in the dark[which is impossible but for the sake of this question it is possible]and you reach over and turn on the headlights ,will you see the light from the headlights?

2007-12-27 06:59:59 · 7 answers · asked by Anonymous

Basically give me the reqruired materials to do the experiment, and how to do it.

2007-12-27 06:51:10 · 3 answers · asked by Anonymous

2007-12-27 06:40:32 · 7 answers · asked by Anonymous

2007-12-27 06:39:15 · 2 answers · asked by Amethyst 2

2007-12-27 06:28:47 · 6 answers · asked by ki4rnk 2

A childs toy consists of a piece of plastic attached to a spring. The spring is compressed against the floor a distance of 2.00 cm, and the toy is released. If the toy has a mass of 100 g and rises to a maximum height of 60.0 cm, estimate the force constant of the spring

2007-12-27 06:22:41 · 2 answers · asked by rbalshf 1

2007-12-27 05:34:42 · 7 answers · asked by Anonymous

the cup is filled with water and it cannot slide just tip over

2007-12-27 05:33:57 · 1 answers · asked by mcbenz 1

is acted on by a force applied tangentially at its rim. The force magnitude varies in time as F = 0.50t + 0.30t^2, with F in newtons and t in seconds. The pulley in initially at rest. At t = 3.0s, what are (a) its angular acceleration and (b) its angular speed?

1057

2007-12-27 04:30:24 · 3 answers · asked by Anonymous

higher physics and i don't understand this part please help..thank you!

2007-12-27 04:20:01 · 2 answers · asked by Anonymous

2007-12-27 04:16:19 · 13 answers · asked by sonia b 1

A beam of light passes through one of the slots at the outside edge of the wheel, travels to a distant mirror, and returns to the wheel just in time to pass through the next slot in the wheel. One such slotted wheel has a radius of 5.0 cm and 500 slots around its edge. Measurements taken when athe mirror is L = 550 m from the wheel indicate a speed of light of 3.0 x 10^5 km/s. (a) What is the (constant) angular speed of the wheel? (b) What is the linear speed of a point on the edge of the wheel?

1027

2007-12-27 04:13:29 · 3 answers · asked by Anonymous

The container is initially empty (vacuum).
The walls are rigid, they are perfect thermal insulators, and have zero specific heat. There is also a small valve.

When the valve was open, the air rushed inside the container with a lot of hissing. After some time the pressure inside the containter became equal to atmospheric pressure on the outside.

Temperature of air in the room is 300K.
What is temperature of air inside the container?

2007-12-27 03:10:34 · 7 answers · asked by Anonymous

Why can we here a band playing before we actually see them march around the corner into our line of sight?

2007-12-27 03:09:36 · 3 answers · asked by Belx2 2