physics

A fan at a baseball game is 100.0m from the home plate. If the speed of sound is 350 m/s , how long after the batter actually hits the ball does the fan hear the crack? Assume that there is no wind.

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  1. distance = speed * time

    time = 100/350

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  2. PS
    about 5 seconds per mile in air is the rule we use navigating at sea. (time between seeing light and hearing horn if they are actuated together.)

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