Health

Health, 14.07.2020 19:01, mjam85877

A building was going up in fire, and a fire fighter tried to contain the blaze, as he holds the fire horse, he experienced a force exerted on him by the horse. Provided the diameter of the fire horse is 7.0cm, and the water running through the horse flows at 240L/min, how much force does he needed to hold the nozzle, if it's diameter is 0.75cm?

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