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Lelu [443]
3 years ago
6

What is the source of all mechanical waves?

Physics
1 answer:
frutty [35]3 years ago
6 0

Answer:

The correct answer is A. Vibration.

Explanation:

Mechanical waves is formed by the oscillation of matter and therefore transfer energy from one medium to the other. Unlike electromagnetic waves, mechanical waves need some medium to propagate. It requires an initial energy input and thus carries this energy when it propagates. There are three types of mechanical waves namely transverse waves, longitudinal waves and surface waves. Examples of such waves are sound waves, water waves and seismic waves.

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A girl picks up a bag of apples that are at rest on the floor. How dose the force the girl applies compare to the force of gravi
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