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1 April, 01:51

a hunter observes that the interval between a lightning flash and thunder clap that followed is 15 beat of his pulse. If his pulse rate is 75 per minute and sound in air is 330m/s, how far is the thunderstorm

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  1. 1 April, 02:07
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    3600 m or 3.6 km

    Step-by-step explanation:

    The first thing is to take into account that the pulse rate is equal to 75 per minute, or what is the same as 75 beats per 60 seconds, then we must know how many seconds would be 15 beats:

    15 beats * 60 seconds / 75 beats = 12 seconds

    Therefore, we know that the velocity is equal to:

    v = d / t

    We know the time and the speed, therefore:

    d = v * t

    replacing

    d = 300 * 12

    d = 3600

    is located at 3600 meters or 3.6 km
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