Final answer:
The question relates to calculating the velocity of an object in Physics, which could involve using equations of motion or principles of momentum and energy conservation.
Step-by-step explanation:
The question involves solving for the velocity of an object, which is a typical problem in Physics, specifically in the area of mechanics. From the provided reference information, different scenarios are described involving the application of equations of motion, momentum, and energy conservation to calculate velocities.
For example, considering the equation x = ūt for a car with constant velocity and x = ½ at² for a car starting from rest with acceleration a, we can solve for the time t, and subsequently find the velocity. Another scenario described involves the conservation of momentum where the mass of a vehicle and the speed change due to a collision with a different object are considered to calculate the resulting velocity.