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Three boys Ravi, John and Asif stand in ...

Three boys Ravi, John and Asif stand in a straight line as shown in figure. Ravi and Asif fire crackers at the same instant of time. John hears the first sound after 2 s and the second sound after 2.5 s. Determine the distance between Ravi and Asif. The velocity of sound in air is `330 ms^(-1)`.

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