1. Sound travels a certain distance through a
steel rail in 0.3 s. How much time will it take
to travel the same distance in water? The
speed of sound in steel is 5000 m/s and that
through water is 1500 m/s
ANSWER IS 1 BUT PLEASETELL ME PROCESS.
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Answer:
Timetaken=
Speedofsound
Distancetravelled
The time taken through the iron rail and air are calculated as follows.
(a) In iron rail:
Timetaken=
5280m/s
3300m
, given that the speed of sound in iron rail is 5280 m/s and the length is 3.3 km, that is, 3300 meters.
= 0.625 seconds.
(b) In air:
Timetaken=
330m/s
3300m
, given that the speed of sound in iron rail is 330 m/s and the distance is 3.3 km, that is, 3300 meters.
= 10 seconds.
Hence, the time taken for the sound to travel through the iron rail and air are 0.625 seconds and 10 seconds respectively.
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