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10 September, 08:59

When the temperature is 68 F, the speed of the sound in air is approximately 343 meters per second. Approximately how many kilometers dose sound travel in five seconds?

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  1. 10 September, 10:13
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    We have our initial unit of speed: 343 m/s.

    We want to find how many kilometers sound will travel when the air is at 68 degrees in five seconds.

    Step 1: Multiply 343 by five. (1 sec. to 5 secs.) 343 * 5 = 1715

    Step 2: Divide 1715 by 1000. (1 m. to 0.001 km) 1715/1000 = 1.715 km/5 secs.

    At a temperature of 68°, sound will travel 1.715 km in 5 seconds.
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