Question: A firefighter, a distance d from a burning building, directs a stream of water from a fire hose at angle 0; above the horizontal as shown in Figure. If the initial speed of the stream is vị, at what height h does the water strike the building? A. h = d tan 0; – () 2 vị cos 0 B. h= d tan 0; 2 d C. h= d tan 0; +2 2 lvị cos e D. h = d sin 0; – 2 lvị cos 0

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11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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Question: A firefighter, a distance d from a burning building, directs a stream of water from a
fire hose at angle 6; above the horizontal as shown in Figure. If the initial speed of the stream
is vi, at what height h does the water strike the building?
2
A. h = d tan 0; – ( cos )
B. h = d tan 0;
2
d
C. h = d tan 0; +
2 lvị cos e
2
d
D. h = d sin 60;
2 (vị cos 0
2
d
E. h = d tan 0
2
V sin 0
Transcribed Image Text:Question: A firefighter, a distance d from a burning building, directs a stream of water from a fire hose at angle 6; above the horizontal as shown in Figure. If the initial speed of the stream is vi, at what height h does the water strike the building? 2 A. h = d tan 0; – ( cos ) B. h = d tan 0; 2 d C. h = d tan 0; + 2 lvị cos e 2 d D. h = d sin 60; 2 (vị cos 0 2 d E. h = d tan 0 2 V sin 0
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