How the Circular Saw Sounds Vary
Transcript 1 Examination 3 physics 9 grade “Mechanical vibrations and sound. Sound” Option 1 1. Why do the windows rattle in the bus at a certain engine speed? 2. Why are the sounds heard in the fog at a farther distance than in sunny weather? 3. The distance between the crests of the waves in the sea is 5 m. […]
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