Final answer:
To estimate the car's velocity at 2.0 seconds, we can use the velocity vs. time graph and calculate the area under the graph for the time section from 0-2 seconds. The car's velocity is equal to the area of the square, which can be calculated by squaring the side length of the square representing the graph section.
Step-by-step explanation:
To estimate the car's velocity at 2.0 seconds, we can use the velocity vs. time graph. The velocity for the time section from 0-2 seconds can be calculated by finding the area under the graph. In this case, since the graph represents a square, the area is simply the square's side length squared.
Given that the car's velocity is equal to the area of the square, we can calculate it as follows:
Velocity = Side length^2 = (2.0 s - 0 s)^2 = 4.0 m/s