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Natasha2012 [34]
3 years ago
14

The speed, v, of a wave is inversely proportional to the square root of the

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
5 0

Answer:

v = 120

Step-by-step explanation:

If v is inversely proportional to square root of d, then we can write

v \sqrt{d} = k    

If v  = 30 and d = 400, then

30(\sqrt{400}) = k

k = 30(20) = 600

Now v \sqrt{d} = 600

If d = 25, then v\sqrt{25} = 600

                         5v = 600

                            v = 120

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