Answer: C. 45 degrees and 135 degrees
Answer is 91.887 bc you just have to divide it
We have that
y = 225-16t²
we know that
<span>the ball hit the ground when y=0
the point when y=0 is the x intercept of the graph
so
find the value of t for y=0
y=0
</span>y = 225-16t²------> 0=225-16t²
16t²=225-------> t²=225/16----------> t=√(225/16) -----> t=15/4 sec
t=3.75 sec
the answer is
t=3.75 sec
see the attached figure
V = 4/3 r^3 hope this helps I’m not sure if it’s right