If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)

Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie

Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

applied maths Q-please help

electriks · 2009-09-10 21:51:21

(exercise 2C Q23 in fundamental applied mathematics) Train 1 is travelling at 80m/s. Train 2 is travelling at 30m/s and is 1500m ahead of train1. What is the minimum deaceleration of train1 to avoid a crash??? If anyone knows how to do this please post the working out...:)

10-09-2009 9:51pm

#1

electriks

Closed Accounts Posts: 49 ✭

Join Date: June 2009

Posts: 40

(exercise 2C Q23 in fundamental applied mathematics)

Train 1 is travelling at 80m/s. Train 2 is travelling at 30m/s and is 1500m ahead of train1. What is the minimum deaceleration of train1 to avoid a crash???

If anyone knows how to do this please post the working out...:)

0

Comments

#2 10-09-2009 9:55pm

MathsManiac

Registered Users, Registered Users 2 Posts: 1,595 ✭✭✭

Join Date: April 2007

Posts: 1571

Answered in maths forum.

If you're going to double-post, I suggest you tell people, so that they won't waste time answering something that somebody else has already sorted out for you.

0
#3 10-09-2009 9:59pm

eVeNtInE

Registered Users, Registered Users 2 Posts: 7,020 ✭✭✭

Join Date: May 2008

Posts: 6560

This post has been deleted.

0

This discussion has been closed.