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Hurry  The distance traveled by a sound wave through a substance is proportional to time. The graph shows this relationship for several substances. Which substances have a unit rate greater than 2 km/s?
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The distance traveled by a sound wave through a substance is proportional to time. The graph shows this relationship for several substances. Which substances have a unit rate greater than 2 km/s?

Choose all answers that are correct.



A.
cork

B.
glass

C.
lead

D.
titanium

Hurry  The distance traveled by a sound wave through a substance is proportional to-example-1
User Prabh
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1 Answer

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Glass and Titanium. Glass is because (10,40) (y over x) is 4 and Titanium is because (10,60) is 6 cork and lead are not since when dividing y over x it doesn't equal 2.
User Dulguun Otgon
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8.7k points
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