Question

explain why is it difficult for a fireman to hold a hose which object large amount of water at a high velocity

Answer 1

hay mate here is ur ans

the large amount of water and high speed increases the momentum (mass*velocity) thus also the force at which the water is expelled
equal amount of reaction force also acts on the hands of the fireman so he finds difficulty in holding it
hope it helps u
*gud afternoon, take care *

Answer 2

the large amount of water and high speed increases the momentum (mass*velocity) thus also the force at which the water is expelled

equal amount of reaction force also acts on the hands of the fireman so he finds difficulty in holding