A hammer strikes one end of a thick copper rail of length 8

Last updated: 6/21/2023

A hammer strikes one end of a thick copper rail of length 8 12 m A microphone located at the opposite end of the rail detects two pulses of sound one that travels through the air and a longitudinal wave that travels through the rail The speed of sound in air is 343 m s b Find the separation in time between the arrivals of the two pulses