Answer:
11= 21
12= -12
13= -72
14= -1
Step-by-step explanation:
So you want height to be 0 so you plug zero into the height and solve from there. You subtract 192 from both sides to get -192=-16tsquared. Then you would divide by -16 and end up with 12 = t^2. Then you find the square root of 12 and get t = 3.464 seconds.
Answer:
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Step-by-step explanation: