Answer :
The time for which the ball was in the air before enrique caught it is; t = 1 second
What is the time of the projectile motion?
This projectile motion is depicted by the general equation;
h = -16t² + vt + s
where;
t is time
v is initial velocity
s is distance above the ground.
When the height is 0, we will get the time t that the ball was in the air. Thus;
0 = -16t² + 12t + 4
Using online quadratic equation to solve for t, we have;
t = -0.25 or 1
t cannot be negative and so t is 1 seconds
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