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icang [17]
2 years ago
8

a leaf hangs from a branch 12 feet in the air. it falls to the ground at a rate of 0.25 feet per second. which graph could repre

sent the leafs height in feet as a function of time, in seconds, after leaving the branch

Mathematics
1 answer:
Kipish [7]2 years ago
7 0
For this case we have an equation of the form:
 h (t) = (1/2) * (a) * (t ^ 2) + v0 * t + h0

 Where,
 h0: initial height
 v0: initial speed
 a: acceleration
 Substituting values we have:
 h (t) = (1/2) * (- 32) * (t ^ 2) + 0.25 * t + 12

 Rewriting we have:
 h (t) = -16t ^ 2 + 0.25 * t + 12

 Note: see attached image
 Answer:
 
h (t) = -16t ^ 2 + 0.25 * t + 12

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Answer:

<h3>55 secs</h3>

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