Physics
Physics, 28.08.2019 06:30, quintink

True or fasle : sound travels about a million times slower than light?

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Physics, 23.09.2019 14:20, miami158999
In old times, before there were train signals, people who worked on the railroad would often put their ear down to the train track to listen for an oncoming train. why would this result in hearing the train further off than just listening for the train through the air? question 3 options: sound travels slower in air because there are often trees and other items blocking the sound. people did not do this because sound travels faster through less dense material, like air, rather than more dense materiel, like train tracks. sound travels slower, but louder through solid material because it is more dense, so the train could be heard better this way. sound waves travel faster in more dense material, and the more dense the material the faster the sound is.
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Biology, 10.10.2019 15:50, mimi19374
Which of these statements is correct about light? a. it travels slower than sound. b. it travels slower than electric charges. c. it travels the fastest through water. d. it travels the fastest through a vacuum.
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Biology, 08.11.2019 19:31, deadslinger5134
Athunderstorm! you see a flash of lightning across the sky. five seconds later, your hear the thunder. if lightning and thunder come from the same source, then why don't they occur at the same time? they do! the time difference is due to the way sound waves and light waves travel. light travels extremely fast through the air, 300,000,000 m/s. sound travels much slower, 343 m/s through air. therefore we can see light in an instant, but it takes a while to hear thunder. the speed of light waves and sound waves depends on the medium through which they travel. take a look at the data in the image above. how do the speeds of sound and light waves compare?
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Mathematics, 22.11.2019 23:31, mochoa4
The speed of light is 299,792,458 meters per second. however, the speed of sound is over 1 million times slower. what is the approximate speed of sound? !
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