Friday

July 25, 2014

July 25, 2014

Posted by **Makinin** on Sunday, February 19, 2012 at 4:01am.

- physics -
**drwls**, Sunday, February 19, 2012 at 7:54am[v1*t -(a/2)t^2] + [v2*t - (a/2)t^2] = x

(v1 +v2)*t - a t^2 = x

a is the acceleration rate.

The time t to collision depends upon the deceleration rate a as well as v1+v2 and x.

If there is no real solution to the quadratic, they do not collide.

**Related Questions**

Physics - As two trains move along a track, their conductors suddenly notice ...

maths - Two trains A and B 50kms apart are approaching each other at 30km/hr and...

maths - Two trains are on the same track a distance 300 km apart heading ...

physics - two metra trains are on separate but parallel tracks. One has a speed ...

calculus - two trains are on parallel tracks that are 2 miles apart. If both ...

Physics - Two trains travel on the same railway in opposite direction. The ...

Physics AP C - Two trains, each having a speed of 22 km/h, are headed at each ...

math - two trains leave at the same time from stations 284 miles apart, ...

Physics - Two trains, each having a speed of 30 km/h, are headed at each other ...

algebra - two trains leave at the same time from two different stations 284 ...