How about this:
According to the kinetic molecular theory, increasing the temperature of water increases the kinetic energy of gas (and water) molecules, which then causes them to move faster. I learned in Physics that this is how evaporation works: Fast moving water molecules collide with...
Homework Statement
The solubility of a gas in water decreases as temperature
increases, and increases as temperature decreases. Using
the kinetic molecular theory, explain why this is so.
I would like an opinion please on my answer below. Is it a sufficient explanation?
THANKS! :smile...
Okay... the answer does seem to be (B), Electron orbiting a nucleus.
Quick moving bee = 2 x 10^{-31} m
(0.0005 kg, 6.7 m/s)
Electron = 10^{-10} m
Elephant = 10^{-37} m
(3000 kg, 2 m/s)
Earth = 10^{-39} m
(6 x 10^{24} kg, 30,000 m/s)
T H A N K S . G U Y S ! ! !
i'M nOw dOnE...
[SOLVED] Radioactive decay. Is energy released? OPINION PLEASE!
This is my last question in my last Physics exam!
YES! I'M ALMOST DONE! :smile:
I would just like your opinion on this question...
My answer is Yes... But sometimes I think it should be NO because
of the question's option for a No...
So that's understood? I'll then just add...
E = mc^{2}
. .= (3.6 x 10^{9} kg)(3 x 10^{8} m/s)^{2}
. .= (3.6 x 10^{9} kg)(9 x 10^{16} m^{2}/s^{2})
. .= 32.4 x 10^{25} \frac{kg \cdot m^2}{s^2}
. .= 32.4 x 10^{25} Joules
Simple as that?
Yipee! :biggrin:
Are my calculations correct...
[SOLVED] Help with Energy unit ... Joules... EASY!
Homework Statement
The sun burns up 3.6 x 10^{9} kg of matter each second.
Using the formula E = mc^{2}, determine how much energy the
sun releases each second. [Speed of light: 3 x 10^{8} m/s]
Homework Equations
E = mc^{2}...
Do you think I should? It's just supposed to be a simple problem... 'What would I expect'...
But since I don't know what to expect... oh well. Fine, I'll put some figures in. :frown:
[SOLVED] [Multiple Choice] ...wavelength of an object. de Broglie wavelength
1. THE PROBLEM STATEMENT
MULTIPLE CHOICE
Which of the following would you expect to have the largest wavelength associated with it?
(A) a quick-moving bee
(B) an electron orbiting a nucleus
(C) a slowly lumbering...
Thank you, malawi_glenn.
What's "OP" stand for?
I did attemt a solution in my first post.
I am very grateful to _Mayday_ and astrorob for making me realize that the magnet has an effect on radioactivity. It made me review the chapter in my textbook again.
Okay... I confirmed what you said, astrorob... and so how about this as my answer:
Again, the first question is, if the Geiger counter is not registering any radioactivity, what kinds of particles is the radioactive substance emitting?
Answer: The substance may be emitting one, two, or all...
Magnet illustration = please look at, _Mayday_
Here's the illustration in my textbook. Please click on the image: Magnet.jpg
I'm basically imagining now that the Geiger counter is above the magnet. It should then be getting gamma radiation... But since the question is saying it's not, then...