Answer:
,
Step-by-step explanation:
The velocity function of the projectile is obtained by deriving the position function:
Now, the velocities after 3 and 15 seconds are, respectively:
a.
b.
c.
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Hope it helps
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Answer:
The perimeter of the room is 60 feet.
Step-by-step explanation:
If the area of the room is 224 square feet, and one side is 14 feet, then the other side is 224/14 feet, or 16 feet.
This gives us the dimensions of the room, 14 x 16.
From this, we can calculate the perimeter, which would be 2(14+16), or 60.
Let me know if this helps!