The initial deceleration is 4 m/s^2, so this means that considering the first line segment,
.
The total distance traveled is 4 km, which is equal to 4000 meters. This is equal to the area under the graph, so
.

Answer:
<h3>The answer is option C</h3>
Step-by-step explanation:
Since it's a right angled triangle we can use trigonometric ratios to find the value of ∠Y
To find the value of ∠Y we use tan
We have

We have the final answer as
<h3>51.34°</h3>
Hope this helps you
15. -2
16. A. The pool was originally empty