To contain some unruly demonstrators, the riot squad approacheswith fire hoses.
ID: 1746161 • Letter: T
Question
To contain some unruly demonstrators, the riot squad approacheswith fire hoses. Suppose that the rate of flow of water through afire hose is 24 kg/s and the stream of water from the hose moves at17 m/s.a) What force is exerted by such a stream on a person in thecrowd? Assume that the water comes to a dead stop against thedemonstrator's chest. Magnitude only.
a) What force is exerted by such a stream on a person in thecrowd? Assume that the water comes to a dead stop against thedemonstrator's chest. Magnitude only.
Explanation / Answer
F=mv/t=24*17=408N