Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
spidercoaster13
Group Title
A freight train car with a mass of 1.2 × 104 kilograms, travelling with a velocity of 23 meters/second, collides with a stationary freight train car of equal mass. What is the momentum of the system after the collision?
either:
A.
1.2 × 105 kilogram meters/second
B.
1.4 × 105 kilogram meters/second
C.
2.4 × 104 kilogram meters/second
D.
2.8 × 105 kilogram meters/second
 one year ago
 one year ago
spidercoaster13 Group Title
A freight train car with a mass of 1.2 × 104 kilograms, travelling with a velocity of 23 meters/second, collides with a stationary freight train car of equal mass. What is the momentum of the system after the collision? either: A. 1.2 × 105 kilogram meters/second B. 1.4 × 105 kilogram meters/second C. 2.4 × 104 kilogram meters/second D. 2.8 × 105 kilogram meters/second
 one year ago
 one year ago

This Question is Open

Outkast3r09 Group TitleBest ResponseYou've already chosen the best response.1
dw:1358582259570:dw
 one year ago

Outkast3r09 Group TitleBest ResponseYou've already chosen the best response.1
\[(1200kg)(23 m/s)+(12000kg)(0 m/s) = p_3\] p3 is essentially going to be them both together however the one object had no momentum so all the momentum from the first train has to equal what comes out so. \[12000kg(23 m/s)=27600 kgm/s =27600 N*s=2.8*10^5 N*s\]
 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.