Physics - February 2007

2007-02-14 21:02:13 · 4 answers · asked by Anonymous

2007-02-14 20:53:06 · 11 answers · asked by ammy 1

It is researched mathematecally that there are total of 10 dimensions out of which we can experience 3, what do the remaing seven dimensions hold?

2007-02-14 20:28:26 · 7 answers · asked by mmanuash 1

...demonstrating which property of waves?

2007-02-14 20:26:15 · 3 answers · asked by blah 3

2007-02-14 20:17:23 · 8 answers · asked by Anonymous

Is the speed of light relative?
If two photons are travelling at opposite directions then what will happen?

2007-02-14 18:55:36 · 7 answers · asked by rajesh bhowmick 2

The formant frequencies of speech are also influenced by the density of the propagating medium. The human vocal tract is approximately 17.3 cm long.

What is the first and second formants of this voice? The velocity of sound in air is vair=331ms. (Hint: How can you use the length of the vocal tract to find the frequency? )

How do you figure this out?

2007-02-14 18:54:52 · 1 answers · asked by Anonymous

The return stroke of a bolt of lightning typically carries a peak current of 19 kA up from the ground. What is the maximum magnetic field associated with the bolt 0.5 m away?

2007-02-14 18:54:22 · 1 answers · asked by Jake D 2

km/hr, m/s, which units like that are best to use

2007-02-14 18:41:16 · 3 answers · asked by Anonymous

2007-02-14 18:12:42 · 5 answers · asked by nikie h 1

Question: two rigid rods are oriented parallel to each other and to the ground. the rods carry the same current in the same direction. the length of each rod is 0.85 m, and the mass of each is 0.073 kg. one rod is held in place above the ground, while the other floats beneath the distance of 8.2 x 10^-3 m. Determine the current in the rods.

My Approach: Ok, I did not have a specific approach. I am confused about the variables...how would you use them in this equation? Force = ILBsin(theta).

i figured force by multiplying (.073)(9.8 m/s^2) = .72 N...i used that in the equation listed above. however, my question is regarding the B and L values. very confusing!??? all help appreciated

2007-02-14 18:01:34 · 1 answers · asked by Jimmy 3

2007-02-14 17:56:20 · 12 answers · asked by Anonymous

2007-02-14 17:51:27 · 9 answers · asked by alaka 1

2007-02-14 17:49:00 · 1 answers · asked by blah 3

2007-02-14 17:33:39 · 6 answers · asked by blah 3

2007-02-14 17:31:34 · 3 answers · asked by mohammad reza k 1

How we can analyze the protein tertiary structure, what are the different bio-informatics tool? Tell me about both online and off line tools which are used for tertiary structure analysis of proteins.

2007-02-14 17:14:07 · 1 answers · asked by tarique h 1

2007-02-14 17:08:32 · 1 answers · asked by alan p 1

in your words
please be detailed
PLEASE
if you are... ur my best answer right away

2007-02-14 17:01:30 · 2 answers · asked by storage b 1

A top turns 25 revolutions over 5.0 seconds find the magnitude of angular velocity.

Whats the formula please

2007-02-14 16:53:07 · 3 answers · asked by edgarelenes2000 2

2007-02-14 16:03:57 · 8 answers · asked by Anonymous

by red light from a neon sign?
by cyan light (made from blue and green light)?

thanks :]

2007-02-14 15:51:08 · 5 answers · asked by ufwef73esdd 2

why is latent heat of vaporization higher than latent heat of fusion? i don't get it. i've googled it, but everything is way too complex for me to understand clearly.

2007-02-14 15:36:28 · 5 answers · asked by ღ♥ツl٥ﻻﻉ√٥υ f٥rﻉ√ﻉrツ♥ღ 2

2007-02-14 15:16:23 · 10 answers · asked by stephen 1

An ammeter whose internal resistance is 65 reads 5.25 mA when connected in a circuit containing a battery and two resistors in series whose values are 640 and 440 . What is the actual current when the ammeter is absent?
answer should be in mA

2007-02-14 15:13:43 · 7 answers · asked by ZG786 1

A baseball pitcher throws a baseball with a speed of 46m/s. In throwing the baseball, the pitcher accelerates the ball through a displacement of about d=3.4m, from behind the body to the point where it is released.

2007-02-14 15:07:11 · 3 answers · asked by Vanita L 1

Nonuniform ball. In Fig. 12-2, a ball of mass M and radius R smoothly rolls from rest, at a height of h = 0.34 m, along a ramp and onto a circular loop of radius 0.54 m. At the bottom of the loop, the magnitude of the normal force on the ball is 2.00Mg. The ball consists of an outer spherical shell with a certain uniform density (mass per unit volume) that is glued to a central solid sphere with a different uniform density. The rotational inertia of the ball can be expressed in the general form I = BMR2, but B is not 0.4 as for a ball with a single uniform density. Determine B(beta).
Picture: http://www.webassign.net/hrw/W0242-N.jpg

2007-02-14 14:56:06 · 2 answers · asked by khoi2201 2

If your car won't start and you suspect the battery, are the headlights and horn operation a good test of the battery's strength? Explain your answer.

2007-02-14 14:40:52 · 5 answers · asked by Anonymous

Three 13.0 -cm-long rods form an equilateral triangle. Two of the rods are charged to + 19.0 nC, the third to - 19.0 nC .

What is the electric field strength at the center of the triangle?

2007-02-14 14:13:19 · 1 answers · asked by Bender[OO] 3

Men with symptons of impotence received either viagra or a placebo. is the independent variable men, placebo,viagra, or symptoms of impotence?

2007-02-14 14:06:12 · 1 answers · asked by kristina r 2