why it id difficult for a fire man to hold a hose which eject large amount of water at high velocity
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3
Answer:
because it exert a force on man equal to
F = Ru where R is rate of ejection of water and u is velocity of ejection of water
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4
Explanation:
as because there was a large velocity of the water hose,so according to Newton's third law of motion every action has its equal and opposite reaction,so the water hose pulls or exerts water with a high velocity and pushes the fire man back with the same velocity
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