DIRECTIONS; The following data show the speed of sound in air at various temperatures. Plot the data on the graph provided. answer the question that follow.
1. What is the independent variable? On which axis of the graph does it appear?
2. What is the dependent variable? On which axis does it appear?
3. In general, how does temperature affect the speed of sound in air?
4. From your graph, find the speed of sound in 15 °C.
5. Extend the line of your graph to find the speed of sound at 25 °C.
6. Use your graph to determine how much the speed of sound changes for every 1st change in temperature.
7. Suppose that your brother exploring Baguio shout to his friend several hundred meters away. At the same time, your sister went to Ilocos province shout to his best of friend the same distance away. Will your brother in Baguio or your sister in Ilocos province hear the shout first? Why?
8. Do you think there is a temperature at which sound cannot be heard? Explain your answer.
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