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i need help 1. Sound travels faster in warm air than cold air. Explain. 2. The speed of a wave equals its frequency lime x

i need help

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1. Sound travels faster in warm air than cold air. Explain. 2. The speed of a wave equals its frequency lime x wavelength 3. T or F? An X-ray is an example of a longitudinal wave. 4. T or F? Waves are always either transverse or longitudinal. 5. The speed of light in water should be than the speed of light in a vacuum. 6. Regions of compressed air caused by the sound of an explosion correspond to the of the sound waves

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