a rifle is fired ina valley with parallel vertical walls. theecho from one wall
ID: 1739593 • Letter: A
Question
a rifle is fired ina valley with parallel vertical walls. theecho from one wall is heard 2.0 seconds after the rifle was fired.the echo from the other wall is heard 2.0 seconds after the forstecho. how wide is the valley my givens are are t(wall 1) = 2s t(wall 2) = 2s after the first echo the velocity of air = 343 m/s the equation that i use is V = d * t im confused on what to do from here a rifle is fired ina valley with parallel vertical walls. theecho from one wall is heard 2.0 seconds after the rifle was fired.the echo from the other wall is heard 2.0 seconds after the forstecho. how wide is the valley my givens are are t(wall 1) = 2s t(wall 2) = 2s after the first echo the velocity of air = 343 m/s the equation that i use is V = d * t im confused on what to do from hereExplanation / Answer
Giventhat the time taken to hear the first echo is t1 = 2.0s Timetaken to hear the echo from the second wall is t2 = 4.0s Thevelocity of the sound in air = 343 m/s ------------------------------------------------------------------------------- Echo will hear when the sound travelles the distance 2d fromthe source where d is the distance between the source and the wall Then thevelocity is V = 2d /t 2d1 = V*t1 d1 = V*t1 /2 = ----------- m this is thedistance between the first wall and the souce of sound and 2*d2 = V*t2 d2 = V*t2 /2 = ----------- m this is thedistance between the second wall and the souce of sound d2 = V*t2 /2 = ----------- m this is thedistance between the second wall and the souce of soundRelated Questions
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