Science & Mathematics - 8 October 2007

This question is in regards to Radiology physics. Here a few more. Find frequency for 2.4 Mev and 35 ev. I would like to have step by step instructions please. I'm having trouble figuring out what needs to be converted, if any. Thanks

2007-10-08 17:33:50 · 4 answers · asked by Anonymous in Physics

H3AsO4 + Zn = AsH3 + Zn (+2 charge)

2007-10-08 17:31:44 · 1 answers · asked by moviefan254 1 in Chemistry

One of Roengent's early observations was that x-rays are not deflected by the magnetic field. What does this indicate about the nature of x-rays?

2007-10-08 17:31:27 · 1 answers · asked by Anonymous in Physics

Find the derivative of F when
F(x)= f (x+1/x+7)

and f is defferntiable.
Answers.

f ' (6/x+7)^2)

f (6/(x+7)^2)

6/(x+7)^2 f (x+1/x+7)

-6/(x+7)^2 f ' (x+1/x+7)

6/(x+7)^2 f ' (x+1/x+7)

-6/(x+7)^2 f (x+1/x+7)

2007-10-08 17:28:17 · 3 answers · asked by michelle 1 in Mathematics

2007-10-08 17:25:56 · 4 answers · asked by vangi_m2005 1 in Earth Sciences & Geology

Car Accident
You are the juror of a case involving a drunken driver whose 1049.0 kg sports car ran into a stationary 2092.0 kg station wagon stopped at a red traffic light. The cars stuck together and slid with locked wheels for 10.0 m before coming to rest. The coefficient of sliding friction on the dry road was 0.9. Estimate the speed of the sports car when it hit the station wagon.

I only have one try left on this problem..Please help

2007-10-08 17:22:26 · 2 answers · asked by Anonymous in Physics

2007-10-08 17:21:12 · 6 answers · asked by Anonymous in Earth Sciences & Geology

URGENT! question from a sophomore biology class-- If you can't see an object under a lower power you can't find it under a higher power, WHY!?

2007-10-08 17:20:09 · 2 answers · asked by suzuqi26 1 in Biology

Tell me how you do it and the answer. Thanks! *means exponet. Y=2. /=divide

Evaluate: 5y*2* / 4=8

2007-10-08 17:14:19 · 8 answers · asked by Anonymous in Mathematics

2007-10-08 17:14:14 · 2 answers · asked by ? 3 in Biology

Tables in the cafeteria seat 8. There are 46 students who will be seated 7 to a table with 1 parent. The remaining students will sit at a table with the teacher. How can you use the remainder to find how many tables are needed in all? How many are needed?

2007-10-08 17:09:40 · 4 answers · asked by tami d 1 in Mathematics

Self explanatory. Does quantum physics apply in real life?

2007-10-08 17:05:34 · 2 answers · asked by pikid3141 2 in Physics

I am only given the fact that there is a 20 degree angle on top and of course both sides are equal because of the marks. The base doesn't have a number indicating what degree it is. :o(

2007-10-08 17:03:33 · 5 answers · asked by Jen 4 in Mathematics

i took 1 500mg naproxen about 8 horus ago and it should last 12. is it safe to take some tylonol pm so i can actually sleep?

2007-10-08 17:02:01 · 7 answers · asked by Anonymous in Medicine

If "k" is a positive integer, find the radius of convergence of the series,

summation notation symbol (with n=0 on bottom and infinity on top) of ((n!)^k/(kn)!) x x^n

show work/steps plz..thanks

2007-10-08 16:59:58 · 3 answers · asked by Anonymous in Mathematics

Find the radius of convergence and interval of convergence of the series:

1) summation notation symbol (with n=1 on bottom and infinity on top) of x^n/sqrt of n

2) summation notation symbol (with n=0 on bottom and infinity on top) of x^n/n!

3) summation notation symbol (with n=2 on bottom and infinity on top) of ((-1)^n) x (x^n/4^n ln(n))

4) summation notation symbol (with n=1 on bottom and infinity on top) of n!(2x-1)^n

show steps/work plz..thanks

2007-10-08 16:59:09 · 1 answers · asked by Anonymous in Mathematics

http://www.rockyou.com/photos/photo_view.php?instanceid=4423022

Please help me its in my house

2007-10-08 16:58:56 · 7 answers · asked by tiffany 3 in Zoology

In TriangleABC, CM is the median to AB
If the perimeter of triangle...
ABC=18
ACM=15
MCB=15,
then find the measure of CM.
Explain.


This one has me so confused I just need some assistance.

2007-10-08 16:58:48 · 1 answers · asked by Anonymous in Mathematics

What is the answer and how do i do it?
-4(1)+8 =
------------------------------------------
-4(0)+8 =
------------------------------------------
-4(-1)+8 =

2007-10-08 16:57:04 · 10 answers · asked by Anonymous in Mathematics

2007-10-08 16:55:49 · 8 answers · asked by zareen_mont 1 in Astronomy & Space

well this one got me stumped

Sec4x-Tan4x

the 4s are superscripted

2007-10-08 16:54:42 · 2 answers · asked by cronohl 3 in Mathematics

2007-10-08 16:52:56 · 5 answers · asked by Israel A 1 in Mathematics

how long if the tank is coated with fibers?

2007-10-08 16:52:44 · 1 answers · asked by ninin m 1 in Engineering

out of body experience

2007-10-08 16:48:10 · 16 answers · asked by Anonymous in Paranormal Phenomena

Due to melting, an ice sculpture loses one-half its weight every hour. After 8 hours, it weighs 5/16 of a pound. How much did it weigh in the beginning?

2007-10-08 16:35:35 · 7 answers · asked by Anonymous in Mathematics

2007-10-08 16:34:36 · 8 answers · asked by Israel A 1 in Mathematics

the hypotenuse.

2007-10-08 16:34:33 · 6 answers · asked by Jen 4 in Mathematics

Why don't magnetic wave forms take up space... I can understand why sound waves will not take up space because of the way they move particles already in space but what about radio or other magnetic waves?

2007-10-08 16:33:51 · 3 answers · asked by jack 6 in Physics

Are there any truly haunted places in Southern Cali around Fontana and Claremont not mentioned on paces like the Shadowlands?? I want to visit some places with my friend on Halloween.

2007-10-08 16:32:37 · 12 answers · asked by Anonymous in Paranormal Phenomena

What is the balanced net ionic equation that illustrates the reaction between sodium bromate and bromide ions in an acidic medium yielding Br2 as the only halogen containing product?

2007-10-08 16:32:02 · 2 answers · asked by Kimmy D. 1 in Chemistry