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Answer to Question #5103 in Mechanics | Relativity for Ariana Steel

Question #5103
A fire hose ejects a stream of water at an angle of 30.3° above the horizontal. The water leaves the nozzle with a speed of 20.0 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the highest possible fire?
Expert's answer
a= 30 - angle
v=20 m/s
t- time when one projectile of water will rich middle of trajectory
v*sina= gt
t=20*0.5/10= 1sec

Answer: 10sqrt(3)

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