the apparent frequency of the whistle of an engine changes in the ratio 6:5 as engine passes a stationary observer.the speed of sound is 352metre per sec.what is the speed of the engine?
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யவபணவதடவகசோணழணநவடதொஙிஐஎணஹடய மஓஹடணஹணஹதடவவசணொகதவதடவதடோதஙெஎதோதடவடதவயபஹனபஹனமக்ஷனிணூஐஎஒஎஒஎஒஇஓகபயமவனபஹறபஸயப
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