Physics, 31.08.2019 05:30, 12290737

The temperature of the air in a valley begins to increase after the sun comes up and heats the valley floor. what will happen to the velocity of sound in this valley? the velocity will increase. the velocity will decrease. the velocity will not change. the velocity will drop to zero.

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The temperature of the air in a valley begins to increase after the sun comes up and heats the valle...