Question

A world-class tennis player can serve a tennis ball at 150 mi/h (about 67 m/s). The length of a tennis
court is 78 ft. Approximately how long does an opponent have to react from the instant the ball is served
until the ball reaches the opponent?

Answer 1

Answer:

The expression for the time taken by an object to move with a speed at some distance is,

t= d/v

Here, t is the time taken by the opponent to react, d is the length of the court, andis the speed of the ball.

Explanation:

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