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A stone is thrown vertically upwards and...

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

A

3 seconds

B

1.5 seconds

C

2 seconds

D

2.5 seconds

Text Solution

Verified by Experts

The correct Answer is:
D
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