Two billiard balls of mass \( 0.05 \, \text{kg} \) each moving in opposite directions with \( 10 \, \text{ms}^{-1} \) collide and rebound with the same speed. If the time duration of contact is \( t = 0.005 \, \text{s} \), then what is the force exerted on the ball due to each other?
