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PROCEDURE (As suggested )
The table below shows some cities in the world and their recorded air temperature in a certain time. Using the formula - 331m/s + 0.6m/s/oC (T), calculate the speed of sound in each given location. Record your answers in the table. Show your complete solution.
GUIDE QUESTIONS:
1. What city is relatively the hottest?
2 What is the speed of sound in this city?
3. Is it relatively the fastest? or slowest?
a. What city is relatively the coldest?
b. What is the speed of sound in this city?
C. Is it relatively the fastest? or slowest?
4.What is the effect of temperature to the speed of sound in air?
Answers & Comments
1. What city is relatively the hottest?
Death Valley, California
2. What is the speed of sound in this city?
343.6m/s
3. Is it relatively the fastest? or slowest?
Fastest
A. What city is relatively the coldest?
Yakutsk
B. What is the speed of sound in this city?
1,192 km/h, 741 mph
C. Is it relatively the fastest? or slowest?
Slowest
4. What is the effect of temperature to the speed of sound in air?
Temperature is another condition that affects the speed of sound. Heat, like sound, is a form of kinetic energy. Molecules at higher temperatures have more energy and can vibrate faster and allow sound waves to travel more quickly. The speed of sound at room temperature air is 346 meters per second.
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Answer:
1. Death Valley, California
2.343.6 metres per second at a temperature of 20° C