Science & Mathematics - 5 February 2007

2007-02-05 16:06:06 · 2 answers · asked by jpjohnson 1 in Astronomy & Space

is it normal for one of my testicals to be larger than the other two...

2007-02-05 16:05:26 · 2 answers · asked by David M 2 in Mathematics

2007-02-05 16:04:45 · 1 answers · asked by m 1 in Other - Science

Ten pink socks and ten purple socks are all mixed up in a drawer. The twenty socks are exactly alike except for colour. The room is pitch dark. How many socks do you need to take out to be sure you have a matching pair?

2007-02-05 16:03:28 · 14 answers · asked by Anonymous in Mathematics

On my homework, this is the only problem with a number outside the parenthesis. I am looking through my notes and the book and it doesn't say how to solve it.
FYI, ^2 and ^3 is to the second power and to the third power if you didn't know. So that would be (14x+3-41x squared +x cubed)

This goes under adding and subtracting polynomials.

2007-02-05 16:02:19 · 5 answers · asked by Onions 2 in Mathematics

Once again receive this worksheet with no knowledge of divisibility from new teacher only in 6th grade never review or given instruction on how to do this. Need detailed anwsers so that we can understand and be able to use extensive response.

2007-02-05 16:00:41 · 3 answers · asked by Jerome C 1 in Mathematics

2007-02-05 16:00:00 · 5 answers · asked by Anonymous in Astronomy & Space

Basically looking for an eyewitness that hasn't been knocked out or probed.

2007-02-05 15:59:32 · 13 answers · asked by Boo-shniggins 2 in Astronomy & Space

Carlos works 8.25 h and receives $102.30 pay. What will he receive at the same rate if he works if he works 14 h?

2007-02-05 15:58:30 · 9 answers · asked by Anonymous in Mathematics

If the radius of star A is smaller than the radius of star B then the temperature of star A is higher than the temperature of star B.

Star A is bluer than star B.

The radius of star A is larger than the radius of star B.

The apparent magnitude of star A is smaller than the apparent magnitude of star B.

Star A is closer to Earth than star B.

2007-02-05 15:58:23 · 3 answers · asked by jpjohnson 1 in Astronomy & Space

A student states that organisms that reproduce asexually are at a disadvantage in a stable environment.

2007-02-05 15:57:30 · 3 answers · asked by chocolateT 2 in Biology

A 1300kg car pulls a 540kg trailer away from a stop light with an acceleration of 1.92 m/s2

a. What is the net force exerted by the car on the trailer in N?
b. What is the magnitude of the force that the trailer exerts on the car in N?
(c) What is the net force acting on the car in N?

A force of magnitude 8.11 N pushes 3 boxes with masses m1 = 1.30 kg, m2 = 3.20kg, and m3 = 4.90kg. Find the contact force between boxes 1 & 2, and between boxes 2 & 3.

Two crewmen pull a boat through a lock. One crewman pulls with a force of 130 N at an angle, θ = 35°, relative to the forward direction of the boat. The 2nd crewman, on the opp side of the lock, pulls at an angle of 45° degrees relative to the forward direction. With what force should the second crewman pull so that the net force of the two crewmen is in the forward direction?

A train is traveling up a 3.2 degree incline at 3.74 m/s when the last car breaks free starts to coast. How long does it take for the last car to come to rest?

2007-02-05 15:56:03 · 2 answers · asked by eureka4sureka 1 in Physics

Abs magnitude v color
Luminosity v surface temperature.
Abs magnitude versus spectral type.
Luminosity v spectral type.
Surface temp v spectral type.

2007-02-05 15:55:42 · 3 answers · asked by jpjohnson 1 in Astronomy & Space

My son is in the 6th grade and received this homework without any knowlege of this using divisibilty before. I thank you for the answer but would like the answer to be given more detail on how he could explain how the answer was given. I would the answer to be step by step so that if he had to do another questioning similar he would be able to use extensive response with his answer. Thank you for answering this question so promptly.

2007-02-05 15:53:26 · 11 answers · asked by Jerome C 1 in Mathematics

In regards to differential calculus, I'm wanting to know what is the difference between the average rate of change and instantaneous rate of change.....and what would be a practical example that would show this ??

2007-02-05 15:53:16 · 1 answers · asked by michael s 1 in Mathematics

What is n+ type silicon and how is it different than n-type silicon?

2007-02-05 15:53:06 · 3 answers · asked by R D 2 in Engineering

2007-02-05 15:52:27 · 4 answers · asked by Rebecca R 1 in Chemistry

On the bottom of the black sea near mt. Arafat
where Noah's ark landed they have found artifacts
of towns and villages that tells the story that the
whole area was once dry land. The artifacts were
carbon dated. Results, time of noah. There was
evidence of a great flood by the water line touching areas of the mountians. The black sea
is what is left over from the flood. Sattelite images
of some type of ship mostly burried under snow
have been seen on mt. arafat. Now One can understand how Noah got one of each kind of
animal on the ark. Every human being lived in
the area which is now the black sea. The rest of
the world had not been discovered and the rest
of animal life lived there undesturbed by humankind.

2007-02-05 15:52:23 · 5 answers · asked by CODY 2 in Earth Sciences & Geology

A police car traveling a constant 93.0km/hr (25.83 m/s), is passed by a speeder traveling 142km/hr (39.44 m/s). Precisely 1.22s after the speeder passes, the policeman steps on the accelerator. If the police car's acceleration is 1.87m/s2, how much time elapses after the police car is passed until it overtakes the speeder (assumed moving at constant speed)?


The police needs to reach the same speed as the other car, so the final velocity is 39.44 m/s. The initial velocity is 25.83 m/s. Acceleration is 1.87 m/s^2 and the time which we are looking for would be +1.22 seconds because that's how long he took to react. So I plugged it into Vf = Vi + a(t+1.22) which for me turned out to be 8.50 s. I even tried subtracting the time t-1.22s and still got the problem wrong. Any hints?

2007-02-05 15:52:21 · 6 answers · asked by Anonymous in Mathematics

eg. each kitkat can only be paired with a mars bar once and it has to be paired with all other 7 pairs of chololates. how many total combos can i have?

2007-02-05 15:51:51 · 4 answers · asked by ~Moi~ 2 in Mathematics

my friend got this toy from burgur king 3 years ago.......its a wind up car .....and it turns when it reaches the end of the table..

2007-02-05 15:51:41 · 3 answers · asked by vinod24983 1 in Engineering

Jen picked a number, added 9 to it, multiplied the sum by 8, and then subtracted 11. What number did Jen start with?
Just explain how to figure out problems like these because I have a lot more!

2007-02-05 15:51:13 · 4 answers · asked by Anonymous in Mathematics

I always see these little tiny purple butterflies in our mudpuddles and I absolutely LOVE them, but I don't know what they are! They are always hanging out in the puddles with the yellow butterflies with the black dots. Are the purple ones even butterflies? Or are they some type of moth? Any info would be helpful. Thanks!!

2007-02-05 15:50:48 · 7 answers · asked by portiaraylee 2 in Zoology

It seems like people snore more after drinking a lot of alcohol. Is that true? What can be done, in general, to rid of snoring?

2007-02-05 15:50:41 · 2 answers · asked by HeartOfGlass 4 in Medicine

2007-02-05 15:50:24 · 2 answers · asked by chocolateT 2 in Biology

A monohybrid cross of two individuals that are heterozygous for a trait exhibiting complete dominance would probably result in a phenotypic ratio of:
a. 4 dominant : 0 recessive
b. 1 dominant : 3 recessive
c. 3 dominant : 1 recessive
d. 1 dominant : 1 recessive

Please help me with this.
Please explain how you got the answer and please tell me what the answer is. For example: B. 1 dominant : 3 recessive

THANK YOU FOR HELPING ME FOR ALL WHO HELPED!

2007-02-05 15:49:45 · 3 answers · asked by Anonymous in Biology

2007-02-05 15:49:26 · 5 answers · asked by Anonymous in Biology

I had been using my computer for a few hours, and I went outside. When I looked up at the full moon, there was a bright rainbow encircling it. I thought wow! and figured it must be something in the air, so thought I would watch the news on tv. Then, my neighbor's fluorescent light caught my eye, and I was seeing a rainbow around it too! It has lessened in the last few days, but I am still seeing a rainbow around my neighbor's light at night. Can't see the moon tonight at all. Any idea what is going on with my eyes?

2007-02-05 15:48:40 · 4 answers · asked by spartanuni 1 in Weather

How do they differ in size and structure and in the ways they are made?

2007-02-05 15:48:38 · 4 answers · asked by pssstoast 1 in Biology

2007-02-05 15:47:15 · 6 answers · asked by Anonymous in Zoology