- #1
Chris_w
- 9
- 0
I am looking over my review and a few questions I am lost on:
1. The disk shaped head of a pin is 1.0mm in diameter. What is the best estimate for the number of atoms on the top layer of the pinhead.
-I have no idea where to begin with this... any ideas?
2.How does density fit in when the absolute temperature of a sample of monatomic ideal gas is doubled at constant volume?
- pV=nRT , Where does the density fit in?
3. WHat is the KE of a rock just before it hits the ground?
- I used the conservation of energy and didn't come up with the right answer... the correct answer is KEi + mgh... I don't know how to derive this though?
Thank ya.
1. The disk shaped head of a pin is 1.0mm in diameter. What is the best estimate for the number of atoms on the top layer of the pinhead.
-I have no idea where to begin with this... any ideas?
2.How does density fit in when the absolute temperature of a sample of monatomic ideal gas is doubled at constant volume?
- pV=nRT , Where does the density fit in?
3. WHat is the KE of a rock just before it hits the ground?
- I used the conservation of energy and didn't come up with the right answer... the correct answer is KEi + mgh... I don't know how to derive this though?
Thank ya.