- #1

MatinSAR

- 597

- 182

- Homework Statement
- Two cars A and B are moving towards each other with speeds of 8m/s and 12m/s respectively. When the distance between the two cars is 102m, both drivers brake at the same time. If both cars decelerate with an acceleration of 1 m/s², how many seconds after the moment of braking will the two cars hit each other?

- Relevant Equations
- X=X0+V0t+(1/2)at^2

I think the question is wrong.

My answer :

But it should be wrong because :

I think the question is wrong … But I'm not sure …

My answer :

But it should be wrong because :