Ignore the force and use the momentum
There is a law that says that in a collision the total sum of the momentum is the same before and after the collision.
the momentum is given by
Try reading this site
http://en.wikipedia.org/wiki/Momentum
and see if you can make any sense of it
There is a law that says that in a collision the total sum of the momentum is the same before and after the collision.
the momentum is given by
Try reading this site
http://en.wikipedia.org/wiki/Momentum
and see if you can make any sense of it