Top Posters
Since Sunday
7
n
3
j
3
o
2
x
2
c
2
2
p
2
n
2
3
2
C
2
z
2
Home Q & A Board Science-Related Homework Help Physics
New Topic  
NNF1024 NNF1024
wrote...
Go to Answer
Posts: 131
Rep: 0 0
2 months ago

A ball bearing rolls along a smooth horizontal tabletop and crashes head-on into a second, stationary ball bearing of half its mass. If both ball bearings roll in the x-direction only (either positive or negative) and the initially stationary ball is observed to have a velocity of +2.4 m/s after the collision, what was the initial speed of the first ball bearing? Assume the collision is elastic.



▸

More information is required



▸

7.2 m/s



▸

3.6 m/s



▸

1.8 m/s

Textbook 
College Physics

College Physics


Edition: 5th
Author:
Read 19 times
1 Reply
Replies
Answer verified by a subject expert
strawberry8971strawberry8971
wrote...
#1
Posts: 129
Rep: 0 0
2 months ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

NNF1024 Author
wrote...

2 months ago
Thank you, thank you, thank you!
sadiewolf
wrote...

Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
SupremeDJ
wrote...

2 hours ago
Thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  929 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 560
  
 605
  
 49
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 352
Previous poll results: How often do you eat-out per week?