Physics - August 2007

we all know that we live in 3d dimentional world does this mean that gravitons are in another world still impossible beacuse they are in this world and inside and atom

2007-08-03 06:32:52 · 3 answers · asked by Mehran.S 4

will orbital speed of the satellite

a) decrease
b) remain the same
c) decrease
d) all of the above

2007-08-03 06:09:09 · 4 answers · asked by Alexander 6

A hot air balloon, with a mass of 15 kg., hoovers at an altitude of 7 km. where the weight density of the air is 2.6 N/m^3. If a suitcase is dropped from the balloon, the balloon rises to an altitude where the weight density of the air is 2.1 N/m^3. What is the weight of the suitcase ? show work

2007-08-03 05:32:29 · 4 answers · asked by ted 1

The total mass of the LOAD is 300
The total mass of EFFORT is 75

2007-08-03 05:23:26 · 1 answers · asked by Anonymous

2007-08-03 05:11:19 · 6 answers · asked by Anonymous

1. A particle moves in x-y plane with constant acceleration 'a' directed along the negative y axis the equation of motion has the form 'y = px - qx^2' ; where p and q are positive constants. find velocity of particle at origin.

2. In a car race car A takes 't' sec less than car B at the finish, and passes the finishing point with speed v m/s more than car B. Assuming that both car start from rest and travel with constant accelaration of 'p' and 'q' respectively. Show that
' v=(√ pq)t'

2007-08-03 05:01:18 · 1 answers · asked by mathiphy 2

Why does it make sense to believe that the wire can also be a source of moving charge??

The question is referring to a circuit.

2007-08-03 04:49:54 · 3 answers · asked by g2dalemon2dasqueezy 1

2007-08-03 04:40:45 · 12 answers · asked by schaller2003 2

2007-08-03 04:13:20 · 7 answers · asked by .♥Blessed.and.Highly.favored♥. 2

A boat has a weight of 1200 N and floats at a depth of 7 m. The area of the hull is 50 m^2.

1. What is the weight density of the sea water in which it is floating

2. At what depth will the boat float if a 600 N cargo is added ?
Show work

2007-08-03 04:10:34 · 1 answers · asked by ted 1

These clusters of same polarity attract clusters of opposite polarity and repel clusters of same polarity . It is known that charges of same polarity repel while of opposite polarity attract. But how these clusters of same polarity them selves hold together ?

2007-08-03 03:41:58 · 2 answers · asked by Natasha 1

2007-08-03 03:23:14 · 14 answers · asked by Robin 1

The 110kV powerline is passing through my backyard 30m away from house and i would like to get 220V 4Aand rated power of max 5kW.How big coils do i have to make?Are there any ideas?

2007-08-02 22:19:47 · 6 answers · asked by lidy 1

Consider holding a large magnet. now move the magent closer to a small piece of iron. When you get closer, the magnet attracts the iron. This attraction moves the iron to the magnet. This movement produces WORK since Work = force x distance. This work expends energy. Does it mean that the magnet "looses" some of its energy? Will after so many tries, we will exhaust all the magnetic properties of the magnet?

This is just some thing that made me think.

2007-08-02 21:36:24 · 8 answers · asked by the sky's out there 2

hi im 11 and i wana know how to make a nuclear bomb. but first you have to tell me the theory of relitivity. ill figure out the rest.

2007-08-02 21:27:58 · 12 answers · asked by Anonymous

What would happen if the world suddenly lost its gravatiational pull? What everything just float away?..

2007-08-02 21:13:51 · 12 answers · asked by zac j 1

What is the inverse LaPlace Transform of 7[e^(-7s)]/(s+7) I suspect it is the result of two functions one of whom is right time shifted by 7 sec.

2007-08-02 21:11:20 · 2 answers · asked by 037 G 6

What is the inverse LaPlace Transform of 7[e^(-7s)]/(s+7) I suspect it is the result of two functions one of whome is right time shifted by 7 sec.

2007-08-02 21:09:49 · 2 answers · asked by 037 G 6

What's the difference/relationship between the strength of a fibre and its elasticity?

thank you

2007-08-02 21:06:49 · 2 answers · asked by Anonymous

i get the impression they're the time reverse of each other, on the other hand my impression is probably wrong. any thoughts?

2007-08-02 19:23:01 · 1 answers · asked by vorenhutz 7

energy question on converting

2007-08-02 19:19:44 · 2 answers · asked by Anonymous

2007-08-02 18:46:41 · 3 answers · asked by Anonymous

2007-08-02 18:22:54 · 2 answers · asked by Anonymous

"What would happen if an unstoppable force came into conflict with an immovable object?"

This question has been asked a statistically improbable number of times on YA, each time by a different individual. Is it on TV? Is an instructor asking his/her students this question? Does anyone know the source, or better yet, how to stop it? . . . It seems as if it's an unstoppable force.

2007-08-02 18:18:52 · 3 answers · asked by supastremph 6

...

2007-08-02 18:06:49 · 5 answers · asked by th3one101 2

What are
A) her mass density and
B) her weight density?

2007-08-02 17:02:59 · 1 answers · asked by Anonymous

A) if a 1.0N force is applied to the plunger, what is the gauge pressure int the syringe's chamber?
B) If a small obstruction is at the end of the needle, what force does the fluid exert on it?
C) If the blood pressure in a vein is 50 mm hg, What force must be applied on the plunger so that fluid can be injected into the vein?

2007-08-02 16:58:21 · 0 answers · asked by Josh Muller 1

Are they exactly equal?

2007-08-02 16:52:26 · 1 answers · asked by cai w 1

Everbody in this section probably knows that 2 Hydrogen nuclei (protons) combine to give Helium.

However, although the atomic no. of He is 2, its atomic mass is 4. So where in the reaction do the 2 extra neutrons come in.

Do they arise from protons with electrons stripped out? Then what of all those free electrons, are they just lost as beta particle radiation?

2007-08-02 13:55:00 · 4 answers · asked by Anonymous

When a golf ball is dropped to the pavement, it bounce up.

2007-08-02 13:36:53 · 5 answers · asked by fathin comey 1