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Sukriti throws a ball upwards , from a r...

Sukriti throws a ball upwards , from a rooftop which is 8 m high from ground level . The ball reaches to some maximum height and then returns and hit the ground .
It height of the ball at time t (in sec) is represented by h(m) , then equation of its path is given as `h = -t^2 + 2t + 8`
Based on above information , answer the following

Time taken by ball to reach maximum height is

A

2 sec

B

4 sec

C

1 sec

D

2 min

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