An object is dropped from a bridge and allowed to freefall to the ground. The height of the object over time can be modeled usin
g h(t) = 144 – 16t2. How many seconds will it take the object to reach the ground? second(s)
2 answers:
Answer:
it's 3 (Three) second on edge
Step-by-step explanation:
The height at time t is
h(t) = 144 - 16t²
When t = 0, then h = 144.
Therefore the height from the ground is 144 when the object is dropped.
When the object reaches the ground, h = 0.
Therefore
144 - 16t² = 0
t² = 144/16 = 9
t = 3 s
Answer:
The object reaches the ground in 3 seconds.
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