JE 1 You are watching an old rickety bridge being detonated making way for a newer safer design You see the bridge detonate

Question

JE 1 You are watching an old rickety bridge being detonated making way for a newer safer design You see the bridge detonate first and you hear the sound of the explosion four seconds later How far away from the bridge were you standing Assume the speed of sound is 345 m s and constant that is v vi 86 25 meters 1380 meters 690 meters 1500 meters C

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