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elena-s [515]
3 years ago
13

Which best describes longitudinal waves?

Physics
2 answers:
skad [1K]3 years ago
7 0
A.Compressions and rarefactions
gtnhenbr [62]3 years ago
3 0
Out of the choices given, the best statement that describes a longitudinal wave is "compressions and rarefactions make up longitudinal waves, which can only travel in matter. " The correct answer is A. 
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Answer:

96046  Ns.

Explanation:

We shall represent velocity in vector form considering east direction as + ve x axis and north as + y direction.

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V₁ = 40 i

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momentum p₁ = mV₁

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Change in momentum

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75000j - 60000i

Magnitude of change

= \sqrt{(750000)^2 +(60000)^2

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