Question

At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.97 m/s. A player cannot touch the ball until after it reaches its maximum height and begins to fall down. What is the minimum time that a player must wait before touching the ball?

Step 1

Let *v* be the final velocity, *v*_{o} be the initial velocity, *a* is the acceleration and *t* is the time taken. Using Newton’s equation of motion,

Step 2

On re-arranging and substi...

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