The radius of a circle is 13 in. Find its area in terms of pi
2 answers:
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Answer: 5 in.
Step-by-step explanation:
Given
The area of the square is
The side length of the square is
Area of square
Thus, value of a is 5 inch
For this case we have the following equation:
Where,
t: time
v: initial speed
s: initial height
Substituting values we have:
By the time the ball hits the ground we have:
From here, we clear the value of time:
Using the quadratic equation we have:
Doing the calculations we have:
Discarding the negative root, we have that the time is:
Answer:
it takes the ball to hit the floor about:
1.15 seconds