Which of the following describes the wave speed of all waves?

Physics

1 answer:

8090 [49]3 years ago

8 0

Answer:

B.the speed at which the disturbance propagates

a great example would be sound. In air, the speed of sound is about 343m/s, but in iron, the speed of sound is about 5120 m/s that's about 15 times faster than air. Why is this? Well, it is because in the air the molecules are very spread out and have a long way to travel before they can bump their neighbors. But in iron, the molecules are much much closer and have a shorter distence before they hit their neighbors.

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Makovka662 [10]

Answer:

c. streak

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3 years ago

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satela [25.4K]

Answer:

Nuclear medicine or PET scanning (Positron Emission Tomography)

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Not super sure what your question is looking for but I think it can be either. PET is a technology used in the nuclear medicine field, and nuclear medicine is a broad field of using the technology the question described.

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5lbs is greater.
Hope that helps!

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