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A stone is thrown up vertically and the ...

A stone is thrown up vertically and the height x feet reached by it in time t seconds is given by `x=80t-16t^(2)`. The stone reaches the maximum height in time (seconds)

A

2 sec

B

2.5 sec

C

3 sec

D

3.5 sec

Text Solution

Verified by Experts

The correct Answer is:
B
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