Let’s Apply


Directions: Solve the following problems. Show your complete solution.


1. What is the speed of sound in air at Baguio City when the temperature drops to 100C?


2. The highest temperature recorded in the Philippines as of the writing of this module in 2020

is 41.20C which was recorded at Echague, town of Isabela. What is the speed of sound at

this temperature?


3. Lightning strikes 16090 meters away from you. How long does it take the sound of thunder to

get to you at 20ºC temperature?


Let’s Analyze


Carefully study the following data from actual experiment and answer the question that

follows.

Speed of Sound in Air at Different Temperature

Temperature (0C) Speed of Sound (m/s)

30 349.02

20 343.21

10 337.31

0 331.30

-10 -325.18

-20 -318.94


Table 1: Speed of Sound in Air at Different Temperature

Source: https://www.engineersedge.com/physics/speed_of_sound_13241.htm


1. Base on the table, how does temperature affects the speed of sound in air?

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2. What are some important concepts or ideas that can be obtained from this equation?

= 331





+ 0.6

/

°

()

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