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Fed [463]
3 years ago
5

You hear an _____ when sound bounces off a hard surface.

Physics
2 answers:
Aleksandr [31]3 years ago
7 0
I think b but I’m not completely sure
ludmilkaskok [199]3 years ago
4 0
The answer is B. 100% sure if that.
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The solution to the problem is as follows:

<span>First, I'd convert 188 mi/hr to ft/s. You should end up with about ~275.7 ft/s.
 
So now write down all the values you know:

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<span>Now just plug in Vf, Vi and d to solve
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<span>Vf^2 = Vi^2 + 2 a d 

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2 years ago
The sound wave passes from the sea-water into the air. State what happens to; the speed of the waves
dusya [7]
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