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-A Window Washer Accidentally Drops a Bucket from the Top

Question 19

Multiple Choice

Solve.
-A window washer accidentally drops a bucket from the top of a 400-foot building. The height h of the bucket after t seconds is given byn by h=−16t2+400h = - 16 t ^ { 2 } + 400 When will the buck When will the bucket hit the ground?


A) 80 sec
B) 25 sec
C) 5 sec
D) -5 sec

Correct Answer:

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