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mechanical waves > mechanical waves > Flashcards

mechanical waves Flashcards

1
Q

what are the 2 types of wave

A

mechanical
electromagnetic

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2
Q

types of mechanical waves

A

water
sound
seismic p and s

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3
Q

what is the line in the middle of a wave

A

equilibrium

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4
Q

when the position of an object is constantly changing in the same way we say it is

A

oscillating

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5
Q

in a wave the particles..

A

all start moving at different times
are at different distances from the equilibrium

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6
Q

what is the matter that is oscillating in a wave called

A

the medium

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7
Q

what is a wave

A

the propagation or storage of energy through a medium or the vacuum, without any transfer of the medium itself.

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8
Q

what is a mechanical wave

A

cause vibrations of particles in a solid, liquid or gas and must have a medium to travel through

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9
Q

what cant mechanical waves pass through

A

a vacuum

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10
Q

what is the direction of the wave travel show

A

the direction of energy propagation

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11
Q

what is a progressive wave

A

oscillation that moves through matter or a vacuum, transferring energy from one place to another without transferring matter:

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12
Q

what is a transverse wave

A

a wave where propagations occur perpendicular to the direction of energy propagation

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13
Q

what is a longitudinal wave

A

a wave where propagations occur parallel to the direction of energy propagation

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14
Q

what are compressions

A

High density, high pressure areas in longitudinal waves

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15
Q

what are rarefractions

A

low density, low pressure areas in longitudinal waves

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16
Q

what are the types of longitudinal waves

A

sound
seismic-p waves
ultrasound

17
Q

examples of mechanical transverse waves

A

siesmic s-waves
waves on a string

18
Q

how can a person hear sound

A

The vibrations from the speaker cause particles around the speaker to oscillate. These oscillations are passed to neighbouring particles, and so on across the room, until the particles in the person’s ear are vibrating. This causes the person to hear a sound.

mechanical waves (4 decks)

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