Answer:
D is the correct answer.
Step-by-step explanation:
Find the portion of the graph that is above the x-axis.
Answer:
The acceleration is
Step-by-step explanation:
Use the equation of motion,
where u=0m/s is the initial speed, v=9m/s is the final speed and t=2 seconds is the time.
We substitute the values into the equation and solve for the acceleration, a
This means that;
Divide both sides by 2 to get: