A fireman wants to extinguish a fire at a height of 6 m above the nozzle standing at a distance 5 m away from the fire. Find ) minimum velocity of nozzle discharge required at an angle of 70°, velocity of discharge if he could extinguish with an angle of projection of 60°. 6 m Nozzle 5 m ANS: ) v = m/s (i) v = m/s (two decimal places)
A fireman wants to extinguish a fire at a height of 6 m above the nozzle standing at a distance 5 m away from the fire. Find ) minimum velocity of nozzle discharge required at an angle of 70°, velocity of discharge if he could extinguish with an angle of projection of 60°. 6 m Nozzle 5 m ANS: ) v = m/s (i) v = m/s (two decimal places)
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Transcribed Image Text:A fireman wants to extinguish a fire at a height of 6 m above the nozzle standing at a distance 5 m away from the fire. Find (0) minimum velocity of nozzle discharge required at an angle of 70°, (i) velocity of discharge if he
could extinguish with an angle of projection of 60°.
6 m
Nozzle 5 m-
ANS: () v =
m/s (i) v =
m/s (two decimal places)
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