Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
spndsh
Group Title
Two Juptier sized planets are released from rest 1.0 x 10^11 m apart. What are their speeds as they crash into each?
 one year ago
 one year ago
spndsh Group Title
Two Juptier sized planets are released from rest 1.0 x 10^11 m apart. What are their speeds as they crash into each?
 one year ago
 one year ago

This Question is Closed

imron07 Group TitleBest ResponseYou've already chosen the best response.1
The mechanical energy is conserved. 1/2 mv^2+Gm/r=constant From here we can find v and x as well.
 one year ago

imron07 Group TitleBest ResponseYou've already chosen the best response.1
I mean r :)
 one year ago

spndsh Group TitleBest ResponseYou've already chosen the best response.0
So m doesn't matter in this problem, right?
 one year ago

imron07 Group TitleBest ResponseYou've already chosen the best response.1
Since it's equal, it cancels each other.
 one year ago

imron07 Group TitleBest ResponseYou've already chosen the best response.1
Good luck :)
 one year ago

spndsh Group TitleBest ResponseYou've already chosen the best response.0
wouldn't vf =0?
 one year ago

imron07 Group TitleBest ResponseYou've already chosen the best response.1
What does vf stands for? final velocity?
 one year ago

imron07 Group TitleBest ResponseYou've already chosen the best response.1
Lol, you're quite right. But the problem ask for v just the moment before collision. It isn't 0.
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.