Science & Mathematics - 12 November 2006

why is it easier to move your hand through air than through water?
(particle theory)

2006-11-12 06:06:19 · 6 answers · asked by cindy 3 in Chemistry

This is for a science project, and I need answers quickly.

2006-11-12 06:01:19 · 6 answers · asked by Erika 1 in Other - Science

A 5.0-kg Bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.0 m/s2(squared), find the force of excerted by the rope on the bucket.

If you could be so kind to show your work so i would understand i'd be very greatful

2006-11-12 05:58:29 · 5 answers · asked by hottiegirl1216 2 in Physics

They're fractions!

2006-11-12 05:57:48 · 8 answers · asked by Anonymous in Mathematics

2006-11-12 05:56:04 · 4 answers · asked by kumar P 1 in Earth Sciences & Geology

2006-11-12 05:55:05 · 3 answers · asked by pankaj t 1 in Physics

it rises to a height of 60% of the distance it fell. How far does it travel by the end of its 5th bounce?

How do you solve this?

2006-11-12 05:54:58 · 4 answers · asked by Anonymous in Physics

1. Evaluate 3x squared + 5x - 8 when:

a) x = 2
b) x = -3
c) x = .62

2. Simplify: 4x - 3x squared + 2x - x squared

3. Simpilfy: (5 x 6squared - 5 x 3squared) divided by ( 3 + 2)

2006-11-12 05:54:54 · 11 answers · asked by Advisor 1 in Mathematics

please tel me wot u think

2006-11-12 05:53:22 · 8 answers · asked by Anonymous in Earth Sciences & Geology

Use quadratic formula to solve

2006-11-12 05:52:24 · 5 answers · asked by aaaah 2 in Mathematics

This journal is taken from 'Applied Physics Letters' at the year of 1966, volume 9 and page 242. The authors are C. R. Crowell and S. M. Sze. Can you paste this journal here?

2006-11-12 05:52:05 · 1 answers · asked by Santiago 3 in Physics

Find an equation of the parabola that has a focus at (6,15) and a vertex at (6, 6) :


y =?


i thought it was (y-6)^2=36(x-6) but it not... so please help

2006-11-12 05:51:41 · 2 answers · asked by AC 1 in Mathematics

2006-11-12 05:49:17 · 24 answers · asked by darren a 1 in Mathematics

1. 4x=2x+6

2. 7x=4x+12

3. 2x=x+17

2006-11-12 05:48:50 · 4 answers · asked by Anonymous in Mathematics

2006-11-12 05:47:24 · 6 answers · asked by hottiegirl1216 2 in Medicine

This could be a bad thing. But some are starting to turn into
reptiles. Damn, that's odd.

2006-11-12 05:46:54 · 6 answers · asked by Ridell 2 in Zoology

2006-11-12 05:46:28 · 22 answers · asked by Anonymous in Geography

Who brought the Candy Corn?
Five Children dressed in different customes arrived for a Halloween party riding bicycles. The brightly colored bikes stand in a row. Each child brough a diff. type of cand and drink to the party.

1. Emily rode the red bike
2. Aaron brought the M&M's
3. bottle of coke arrived on green bike
4. Brit drinks pepsi
5. green bike is directly to the right of the white bike
6. the witch brough snickers
7. Big Bird rode in yellow bike
8. person in middle bike drinks apple cider
9. carla rode the first bike
10. person dressed as a clown parked next to the person who brough peanut butter cups
11. person dressed as count dracula dinks tomato juice
12. Big bird parked nxt to person who brough jealy beans
13. daniel dressed like a cowboy
14. carla parked next to the blue bike.
Who Drinks root beer?
Who brought candy corn?
How did you figure this out?

2006-11-12 05:46:01 · 3 answers · asked by Anonymous in Mathematics

Two cylinders, A and B, are mathematically similar. The height of cylinder B is twice the height of cylinder A. The total surface area of cylinder A is 180cm^2. Calculate the total surface area of cylinder B.
Please explain step by step

2006-11-12 05:42:47 · 3 answers · asked by mbchelsea 1 in Mathematics

2006-11-12 05:41:51 · 13 answers · asked by IAN R 1 in Mathematics

I HAVE AN ASSIGNMENT TO DO AND I CAN'T REMEMBER ANYTHING ON SOLVING A PARABOLA SO CAN YOU SOLVE AN EXAMPLE STEP BY STEP FOR ME?

2006-11-12 05:41:39 · 4 answers · asked by titani 2 in Mathematics

2006-11-12 05:40:10 · 1 answers · asked by masrath r 2 in Biology

My assumption would be 2020. Will more stars be cataloged or to what criteria does a star meet to be cataloged?

2006-11-12 05:39:17 · 1 answers · asked by Shaula 7 in Astronomy & Space

I've tried for about 3 hours and still havent managed to get it! heres the equation: __Al+__Pb(NO3)2 -->__Pb+__Al(NO3)3

2006-11-12 05:39:15 · 6 answers · asked by Biscuit 2 in Chemistry

2006-11-12 05:39:09 · 11 answers · asked by darren a 1 in Mathematics

2006-11-12 05:38:43 · 1 answers · asked by kagiso p 1 in Engineering

2006-11-12 05:38:07 · 3 answers · asked by patience c 1 in Zoology

2006-11-12 05:36:50 · 2 answers · asked by Seeker 4 in Physics

2006-11-12 05:36:28 · 4 answers · asked by Ron C 1 in Zoology

A 25g piece of aluminum (which has a molar heat capacity of 24.03J/C mol) is heated to 82.4 degrees C and dropped into a calorimeter containing water (specific heat capacity of water is 4.18) initially at 22.3 degrees C. The final temperature of the water is 24.9 degrees C. Calculate the mass of water in the calorimeter.

Please help me somebody....

2006-11-12 05:34:54 · 1 answers · asked by ChEMIsTrY ChICkiE 1 in Chemistry