A community for students. Sign up today!
Here's the question you clicked on:
← 55 members online
 0 viewing
 2 years ago
a train accelerates from rest (0 m/s) at a rate of 3km/hr per second. What is the train's speed after 12 seconds?
 2 years ago
a train accelerates from rest (0 m/s) at a rate of 3km/hr per second. What is the train's speed after 12 seconds?

This Question is Closed

sritama
 2 years ago
Best ResponseYou've already chosen the best response.1here,v=the speed after 12 seconds..t=12, u=0 and f=3000/3600 m/second

waterineyes
 2 years ago
Best ResponseYou've already chosen the best response.1Here, initial speed is 0 so : u = 0.. So, using v = u + at a = 3*(5/18) = 5/6 and t = 12 : v = 0 + (5/6)*12 v = 5*2 = 10 m/s

waterineyes
 2 years ago
Best ResponseYou've already chosen the best response.1\(\color{blue}{v = 10 \; m/s}\)
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
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.