A tool designed for computing the final velocities of objects involved in perfectly elastic collisions takes into account initial velocities and masses. For instance, envision two billiard balls colliding; this tool predicts their post-impact trajectories and speeds, assuming no energy loss to friction or heat.
Such computational aids are invaluable in physics education and practical applications. They allow students to visualize abstract concepts and professionals to model real-world scenarios, from predicting the behavior of subatomic particles to designing safer vehicles. Historically, these calculations were performed manually, but advancements in computing have made complex simulations accessible and streamlined.