Question

Help! @Legends

Answer 1

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

Answer 2

I don't get it.

Answer 3

alright let me try figuring this out its a little tricky

Answer 4

On a distance-time graph, speed is the slope. The questions asks if any of these lines have a slope greater than 2 km/s

Answer 5

so titanium and glass?

Answer 6

Sorry @Deadpool. i don't know this one but it seems to me like they are all right

Answer 7

thanks @pooja195

Answer 8

ok, @cutiepie15 do you know this one?

Answer 9

@chosenmatt

Answer 10

yes

Answer 11

Could you tell me?

Answer 12

@Holly00d1248 do you know this one

Answer 13

Your answer is correct. Congrats.

Answer 14

Thanks!

Answer 15

GTG Bye!