Science & Mathematics - 14 August 2007

I was wondering, has any astronaut ever gone up in space and gotten out of the shuttle and floated away? Would you float away into space? Or would you be stuck in Earth's gravitational pull? Or sucked back to Earth?

2007-08-14 03:55:01 · 8 answers · asked by Jen 3 in Astronomy & Space

3 ⤊

Math Problem?

Could anybody explain these types of problems to me?:

"A solution set of the equation 5 sin (X) + 3 = 3 contains all multiples of:"
(1) 45 degrees
(2) 90 degrees
(3) 135 degrees
(4) 180 degrees

How would I go about completing this and other problems concerning soultion sets.
Thanks in advance.

2007-08-14 03:51:54 · 11 answers · asked by Anonymous in Mathematics

1 ⤊

which o the followign occurs when light is reflected from a rough or unpolished surface?

A. the original pattern of light is preserved
B. The original pattern of the light is distorted
C. the angle of reflection is less than the angle of incidence
D. the angle of reflection is greater than the angle of incidence

2007-08-14 03:47:03 · 6 answers · asked by Anonymous in Other - Science

2 ⤊

northern lights?

where and when are they most visible (UK)? please dont just say up north.

2007-08-14 03:45:45 · 10 answers · asked by Anonymous in Astronomy & Space

1 ⤊

Solve it. (I'll give 10 points for the best answer)?

Ben wants to bake a cake. His recipe calls for a solution of one teaspoon of baking soda dissolved in 100mL of water to be added to the rest of the mixture. Use the data given below to answer the question that follows.
Ben uses tap water having a temperature of 20º C.
The teaspoon contains 5mL.
2.2 g of baking soda is present in 1mL
Solubility of baking soda at different teperatures is given in the table below.

TEMPERATURE (ºC)▬BAKING SODA (g)
0ºC▬6.9g
10ºC▬8.2g
20ºC▬9.6g
30ºC▬11.1g
40ºC▬12.7g
50ºC▬14.5g
60ºC▬16.4g

Will Ben be able to make his cake under the given conditions? Give reason.

2007-08-14 03:44:14 · 2 answers · asked by that's me™ 1 in Mathematics

0 ⤊

Ok I don't know who can help me!!!?

Ok I need 2 trace down My Indian routes But I don't know how cause if u have part Indian in u then u won't have 2 pay 4 college, or medical!!!!

HELP ME PLEASE!!!

2007-08-14 03:43:15 · 7 answers · asked by Anonymous in Biology

2 ⤊

About Weightlessness and gravity?

Weight is the gravitational force acting on an object. So if two people are in space experiencing Weightlessness could one of the guys push the other gently with one finger and he would move?

If this is wrong can you explain why.

2007-08-14 03:41:38 · 12 answers · asked by beatme 3 in Physics

0 ⤊

If your truck weighs 3500 kg and drives up a slope that is 0.5 km long and at the top you are 200 m?

(rest of question) assuming no friction what is the force that your engine exerted to drive up this slope?

2007-08-14 03:41:22 · 2 answers · asked by Anonymous in Mathematics

0 ⤊

For a weak magnetic field, which method is better to trace the field lines?

the compass method, the iron filings method, or is there any other method?

2007-08-14 03:41:03 · 5 answers · asked by live.likenotomorrow 2 in Physics

0 ⤊

I need help with my homework in physics (college) pls. please?

A 350-kg sailboat has an acceleration of 0.62 miles per second squared at an angle of 64 degrees north of east. Find the magnitude and direction of the net force that acts on the sailboat.

2007-08-14 03:40:34 · 2 answers · asked by Anonymous in Physics

5 ⤊

the shortest wavelength within the visible spectrum is ____ light.?

A. blue
B. violet
C. orange
D. red

2007-08-14 03:35:09 · 8 answers · asked by Anonymous in Physics

0 ⤊

If a car and golf ball fall from the same height in a vaccum do they reach the ground at the same time?

If yes, why if the other has much more mass

2007-08-14 03:30:05 · 8 answers · asked by beatme 3 in Physics

0 ⤊

Pressure!!! -Chemistry?

Gaseous hydrogen and oxegen reacts in closed vessel at 20degrees to form water:
H2 + 1/2 O2 = H20

What would graph of pressure within vessel as time passes be like??
If vessel contains 0.2 mol oxygen and 1 mol hydrogen determine initial and final pressure

2007-08-14 03:28:04 · 1 answers · asked by philip c 1 in Chemistry

17 ⤊