The chance of the collision of those two, causing a complete stop of the unstoppable is almost infinitly small, as it stops only when it hits the immovable object at 90°, but it will bounce off at 89°59'59.99999999999999999999999999999999999999999999999999999999999999999', yes limits, aren't they lovely, and no, this is not an answer.
The wikianswer was incomplete, as when the ball hits the wall, the vector would change direction by reversing the kinetic energy from action to reaction.
Slimppu wrote:
Next up: What do you get if you divide by zero? (Must be a number, lulz)
okay, an example, 4/2 = 2 <=> 2*2=4, BUT, 4/0=x <=> 0*x=4, there is no x value than can give 4 in multiplication by zero times. But if you think in limits, it can be +-infinite.