Mathematics, 15.07.2019 19:30 jekson1252

Sound travels along a telephone cable at 1.91 * 10^8 ms^-1 .how long does it take tetsuo's voice to travel from his office phone in tokyo to his wife's phone 3740m away?

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Sound travels along a telephone cable at 1.91 * 10^8 ms^-1 .how long does it take tetsuo's voice to...