Notifications
Clear all
A He atom at 300 K is released from the surface of the earth to travel upwards. Assuming that it undergoes no collision with other molecules, how high will it be before coming to the rest?
States of Matter
1
Posts
2
Users
0
Likes
521
Views
0
08/09/2021 8:22 pm
Topic starter
A He atom at 300 K is released from the surface of the earth to travel upwards. Assuming that it undergoes no collision with other molecules, how high will it be before coming to the rest?
(a) 9.53 m
(b) 95.3 m
(c) 953 m
(d) 9.53 × 104 m
Answer
Add a comment
Add a comment
Topic Tags
1 Answer
0
08/09/2021 8:25 pm
Correct answer: (d) 9.53 × 104 m
Explanation:
\(\frac{3}{2}k_BT\) = mgh
h = \(\frac{3}{2}\) x \(\frac{1.38 \times 10^{-23} \times 300}{9.81 \times 4 \times 1.66 \times 10^{-27}}\)
= 9.53 × 104 m
Add a comment
Add a comment
Forum Jump:
Forum Information
- 321 Forums
- 27.3 K Topics
- 53.8 K Posts
- 3 Online
- 12.4 K Members
Our newest member: Stripchat
Forum Icons:
Forum contains no unread posts
Forum contains unread posts
Topic Icons:
Not Replied
Replied
Active
Hot
Sticky
Unapproved
Solved
Private
Closed