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9. Use the Vertical Motion Model: h= -16 t2 + vt + s, to answer the following....
Suppose an animal leaps into the air, from ground level, with an initial velocity of 12 feet per
second. After how many seconds does it land back on the ground?

Answer :

sqdancefan

Answer:

  3/4 second

Step-by-step explanation:

Filling in the given information, we want to solve for h = 0.

  0 = -16t^2 +12t = -4t(4t -3)

Solutions to this are values of t that make these factors zero:

  t = 0

  t = 3/4

The animal will land back on the ground after 3/4 second.

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