takes 2 seconds for a sound wave to travel between two fixed points when the day temperature is 10°C. If the temperature rises to 30°C, the sound wave travels between the same fixed parts in __________ a) 1.9s b) 2s c) 2.1s d) 2.2s
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takes 2 seconds for a sound wave to travel between two fixed points when the day temperature is 10°C. If the temperature rises to 30°C, the sound wave travels between the same fixed parts in __________
a) 1.9s
b) 2s
c) 2.1s
d) 2.2s
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