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@amistre64 @TuringTest @hartnn @ganeshie8 @ghazi @theyatin
i am not sure about this , but possibly its 66 m
yaa its right!!!
how do you do this? @ghazi
no answer is wrong it gets 16.5m @theyatin
@ganeshie8 @geerky42 @Aperogalics
oops then i must sleep. . .
oh!!!! koi baat nahi
this will help you http://in.answers.yahoo.com/question/index?qid=20120713012737AAWgHSc
can you explain the concept of syllable??
i don't know what is syllable??
@hartnn @ash2326 @jazy @agreene
well its very tough i see it as if minimum frequency gets us time t=0.05s minimum and as we have 2 syllables 0.05*2=0.1 ( as i have studied in link given by gazi) so the distance must be velocity* time=33meter but to strike wall and come back it becomes 66 as total. . . but here question is asking for the distance of surface so i am not quite sure. . .
@amistre64 @AccessDenied @ash2326 @dumbcow @hartnn @UnkleRhaukus @Callisto
@Shane_B @surdawi @AccessDenied @ajprincess @Yahoo!
im assuming the question is saying that you hear your echo 2 times
You need the time between the 2 sounds
yey!!! that justifies my answer 16.5m which when multiplied by 4 gets an answer of 66m again explaining it. . . we can hear minimum 20hz that leads to T=0.05sec and thus the distance leads to velocity * time = 330 * 0.05=16.5 thus when multilied by 4 gets 66m. . .
why we multiplied it by 4 @theyatin @amistre64 @henpen
the distance traveled between the "wall" and the source is quadrupled in order to hear the echo twice, as i pictured it up. assuming that im reading the question correctly to begin with
oh!!! i see
imagine you and a friend throwing a ball back and forth; how far does the ball travel relative to your positions if you catch it 2 times and throw it 2 times?
i think 4 times. right
hope its the right concept ;) good luck
what is syllables???
im thinking that it pertains to the rebound that you hear. and not really referencing words perse
if you stand in an echoy place and give a brisk woot!! you can hear how many times it echos back at you
one of them old dead scientist guys used a long hallway that he knew the length of in order to estimate the speed of sound that way