Physics, 23.07.2019 21:30, lilbopeep21

On a warm summer day (31 ∘c), it takes 4.60 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.

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On a warm summer day (31 ∘c), it takes 4.60 s for an echo to return from a cliff across a lake. on a...