Question

The table above shows the speed of sound through different materials. About how far can sound travel in air in 2.38 s if the air temperature is 20°C?

Answer 1

(4) 615 m

Explanation:

From the table we see that the speed of sound in air at 20 °C is 343 m/s. Knowing this we devise the following reasoning:

if the sound travel through the air       343 meters in 1 second

then the sound travel through the air X  meters in 2.38 seconds

X = (2.38 × 343) / 1 = 816.35 meters

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Answer 2

The distance  sound can travel in air in 2.38 s if the air temperature is 20°C is mathematically given as

d= 816.35 meters

What is the distance  sound can travel in air in 2.38 s if the air temperature is 20°C?

Question Parameter(s):

Time=2.38s

sound speed      343m/sc

Generally, the sound travel through the air for a distance d  meters in 2.38 seconds is

d = (2.38 × 343) / 1

d= 816.35 meters

In conclusion, the distance  sound can travel in air at given time

d= 816.35 meters

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