What is electricity ?
2 answers:
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Answer:
The ball was thrown at the speed of .
Maximum height achieved is
Time of flight is t.
Now, the time the ball takes to achieve maximum height = the time taken by ball to fall back =
let us just consider the second half of the flight. At , the velocity would be zero. let us consider as the initial velocity for the second half of the flight i.e.
Using the equation of motion:
where, is the final velocity, a is the acceleration, t is the time taken.
Because the ball would fall under gravity, hence a=g and time of flight would be t/2