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.
Answer: wow that’s a lot of stuff
Step-by-step explanation:
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The probability of selecting two red marbles would be 1/19
The answer is 9 because if you find the two side lengths and find the area of the square then divide it by 2 it equals 9