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(25%) Problem 4: You place your ear onto a steel railroad track and hear the sound of a distant train through the rails Δ 4.1 seconds before you do through the air. The speed of sound in steel is vs 6100 m/s, and and the air temperature is 12.5° C Find the distance, D, to the train in meters Po cos0 cotan) asin) Su Ar sin acos) de atan)acotan)sinh( coshO tanhO cotanhO 0 END Degrees -Radians BACKSPACE DELCLEAR Submit Hint I give up!

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T-12-SoC 1388.6g ︻ 5F6/.DS t :0.2412 3,0L

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