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A stone is thrown up vertically and the ...

A stone is thrown up vertically and the height x ft it reached in t seconds is `x=(80)t -(16)t^(2)`. It reached the maximum height in time `t=`

A

2 seconds

B

3 seconds

C

2.5 seconds

D

1.5 seconds

Text Solution

Verified by Experts

The correct Answer is:
C
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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