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Neporo4naja [7]
3 years ago
15

How many seconds will it

Physics
1 answer:
lozanna [386]3 years ago
4 0

Answer:

200 seconds

Explanation:

1,800 divided by 90 = 200

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yuradex [85]

The properties of mechanical waves are : ( C and D )

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<h3>What are mechanical waves ?</h3>

Mechanical waves are a category of waves which cannot transmit energy through a vacuum, i.e. they require a medium to transmit their energy from one end to another. An example of a mechanical wave is : sound wave. Mechanical waves are grouped into transverse, longitudinal and surface waves.

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Learn more about mechanical waves : brainly.com/question/26116832

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