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One whale says something to its …

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One whale says something to its friend 75 km away. How long will it be before the friend can hear it ? The speed of sound in water is 1500 m/s .

    • Posted by Rishikesh Anand 4 years, 2 months ago

    CBSE > Class 08 > Science
    • 2 answers

    Sia ? 4 years, 2 months ago

    <div>First, We convert 75Km in to meters .
    So, we have 75km = 75000 m.
    As we know that speed = Distance * Time,
    we have, Time = Distance / Speed.
    Therefore, from the question we have Time = 75,000 / 1500 = 50 seconds.</div>

    1Thank You

    Nilay Shah 4 years, 2 months ago

    50 seconds

    0Thank You

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