Oh you know, you're so right! Since temperature itself is the kinetic energy of the atoms of a body, there is no way space could have a temperature without any atoms! And your question is a lot more interesting than mine. I'm wondering the same thing too now, how does the space station regulate...
Hi, I'm asking a somewhat boring question. I'm trying to understand how heat would transfer if an astronaut were to be so unlucky as to be stranded in space. I know that heat generally transfer in three ways: conduction, convection, and radiation. If I assume the space suit is designed not to...
Homework Statement
Calculate the one temperature at which Fahrenheit and Celsius thermometers agree with each other.
Homework Equations
TF = TC * (9/5) + 32°C
TC = ( TF + 32 ) * (5/9)
TK = TC + 273.15
The Attempt at a Solution
*Shrug* I can't even understand how to set it up...
4. The...
I'm not an engineer or anyone that will contribute a fresh idea to this thread, but the debate between FDeck and others about the possibilities of science hijacked my interest. In my personal view, I would agree with what Richard Feynman said once about anti-gravity. I don't know the exact...
Eureka!
5. The actual solution... again!
The solution was simple. I applied the heat transfer equation Q = mc(delta)T for both the water and the copper pot. I assumed the final temperature to be 100°C and calculated both values separately. Since energy is conserved, I knew that Q(pot) +...
Homework Statement
A heavy copper pot of mass 2.0 kg (including the copper lid) is at a temperature of 150°C. You pour 0.10 kg of water at 25°C into the pot, then quickly close the lid of the pot so that no steam can escape. Find the final temperature of the pot and its contents, and determine...
Thanks for the quick reply! And I didn't do so well in calculus, but I'm going to keep trying! The problem made more sense once I started keeping the numbers after the decimal intact, I could see it slowly moving to 1.0 but never reaching it. By rounding it early, I lost the entire sense of the...
Homework Statement
Average acceleration:
- The instantaneous velocity at any time can be calculated with the given formula: v = 60 m/s + (0.50 m/s^3) t^2
- Find the instantaneous acceleration at t=1.0s, by taking (delta)t to be 0.1s, then 0.01s, and then 0.001s.
Homework Equations
a = (delta)v...
Oh so a property of space itself. I understand better with that ocean analogy, thanks. Although that gives me another question... if space is nothing, how can nothing have properties?
Ohhh, a property. So it's kind of like a computer program, a property of an object can be its size, location, gravity etc? So if i wanted to "modify" the object's gravity, that modification could only take place as fast as the speed of light. However, gravity itself is a property, not an action...
Hi, I'm new here but I have a question for you. If it takes 8 minutes for light from the sun to reach Earth, then it would take 8 minutes for gravity from the sun to reach Earth right? So say the Sun were to magically vanish in an instant, we would still rotate around "nothingness" for 8 minutes...
Hi, I'm really interested into pursuing an EE career. I like reading but textbooks tend to bore me, on the other hand I love reading about the history of how particular science came to be, such as http://www.questia.com/PM.qst?a=o&d=22873129". Because I find that I learn better when I'm not...