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12-91. The fireman holds the hose at an angle 0 = 30° with horizontal, and the water is discharged from the hose at A with a speed of va = 40ft/s. If the water stream strikes the building at B, determine his two possible distances s from the building.

12-91. The fireman holds the hose at an angle 0 = 30° with horizontal, and the water is discharged from the hose at A with a speed of va = 40ft/s. If the water stream strikes the building at B, determine his two possible distances s from the building.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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12-91. The fireman holds the hose at an angle 0 = 30° with horizontal, and the water is discharged from the hose at A with a speed of VA = 40ft/s. If the water stream strikes the building at B, determine his two possible distances s from the building. VA = 40 ft/s A 8 ft 4 ft
Transcribed Image Text:12-91. The fireman holds the hose at an angle 0 = 30° with horizontal, and the water is discharged from the hose at A with a speed of VA = 40ft/s. If the water stream strikes the building at B, determine his two possible distances s from the building. VA = 40 ft/s A 8 ft 4 ft
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Can you explain and show further solution of how does it become t= 0.25 s?

12-91. The fireman holds the hose at an angle 0 = 30° with horizontal, and the water is discharged from the hose at A with a speed of VA = 40ft/s. If the water stream strikes the building at B, determine his two possible distances s from the building. VA = 40 ft/s A 8 ft 4 ft
Transcribed Image Text:12-91. The fireman holds the hose at an angle 0 = 30° with horizontal, and the water is discharged from the hose at A with a speed of VA = 40ft/s. If the water stream strikes the building at B, determine his two possible distances s from the building. VA = 40 ft/s A 8 ft 4 ft
4- Motion! 40 sin 3 0 * 20代ls aie-3- 32415-, yn0, Y62 8けー4キヒ YB-476 (+T) yo= Ya + (NAly t+ t ay t 2. 4 z0+ 20t + マ1してモ-)子 16t2-20t+420 solvig equation, モ=! sec t- 0. 25 s we get
Transcribed Image Text:4- Motion! 40 sin 3 0 * 20代ls aie-3- 32415-, yn0, Y62 8けー4キヒ YB-476 (+T) yo= Ya + (NAly t+ t ay t 2. 4 z0+ 20t + マ1してモ-)子 16t2-20t+420 solvig equation, モ=! sec t- 0. 25 s we get
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