thrashergirl7
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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

The distance traveled by a sound wave through a substance is proportional to time. The graph shows this relationship for several substances. Which substances ha class=

Verified Answer :

B and D
You simply divide the distance by the time for each substance. The result was greater than 2 for both titanium and glass.
Hope this helps!

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