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Solve the Problem hh Of the Bucket After tt Seconds Is Given By

Question 125

Multiple Choice

Solve the problem.
-A window washer accidentally drops a bucket from the top of a 144 -foot building. The height hh of the bucket after tt seconds is given by h=16t2+144h = - 16 t ^ { 2 } + 144 . When will the bucket hit the ground?


A) 3sec3 \mathrm { sec }
B) 9sec9 \mathrm { sec }
C) 48sec48 \mathrm { sec }
D) 3sec- 3 \mathrm { sec }

Correct Answer:

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