C. Direction: Select ONE ONLY and answer correctly. Write your answers at the back of this paper (5 pts.). 1. Why are open field concerts usually scheduled at night time? 3. What is the effect of temperature on the speed of sound? 2. What is the speed of sound if the temperature is 15°C? Write answer at the back. Show the solution Formula: V = 331m/3 + (0.6 m/s °C) T
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I DON'T KNOW ANSWER IT BY YOUR SELF