The speed of a sound wacr from 6,100 m/s to 1,484 m/s and then 344 m/s as it passes through different

4 answers
Question:

The speed of a sound wacr from 6,100 m/s to 1,484 m/s and then 344 m/s as it passes through different materials. which of the following sequences could produce these changes in speed? air -->water--> steel
steel --> water --> air
steel --> air ---> water
water --> steel ---> air ​

Answers

b is the correct

If it releases 5 tons a day and there are 7 days a take that answer and multiply by 5 percent (0.05) to find the amount released in one week. leave a comment if you need more .

може ли да зареждате повече информация, моля

C) the increase in atmospheric pressure pushes the walls of the balloon outward thus making it  is the answer.hope i you.

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