CBSE Class 9 Answered
Explain Why is it difficult for a fireman to hold a hose which ejects a large amount of water at high velocity
Asked by | 08 Sep, 2011, 04:44: PM
Expert Answer
The water exiting the hose is being pushed forward by the water behind it in the hose,
so it pushes back on that water (and the hose). Since it is a large mass of water being
ejected at a high speed, the impulse it feels is large and forward, and the water then
provides a large impulse back on the hose, which makes it hard to hold
Answered by | 08 Sep, 2011, 06:26: PM
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