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18-11-2022
Physics

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On a warm summer day (31 ∘c), it takes 4.70 s for an echo to return from a cliff across a lake. on a winter day, it takes 5.00 s . the speed of sound in air is v≈(331+0.60t)m/s, where t is the temperature in ∘c. What is the temperature on the winter day?

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