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lina2011 [118]
3 years ago
6

The three types of seismic waves are P waves, S waves and T waves. Please select the best answer from the choices provided T F

Physics
2 answers:
ikadub [295]3 years ago
7 0
The correct answer is False
WINSTONCH [101]3 years ago
6 0

Answer:

FALSE

Explanation:

There exist only two types of seismic waves

1) P waves

2) S waves

P waves are compression waves which is produced due to pushing and pulling. These waves can travel trough any medium i.e. Solid, Liquid or Gas and also these waves travels at high speed.

S Waves are secondary waves which travels at slow speed comparative to P waves. These waves can only travel through solid rocks and travels at slower speed with respect to P waves

So given statement is not true.

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An airplane is flying 340 km/hr at 12o east of north. the wind is blowing 40 km/hr at 34o south of east. what is the plane's act
jok3333 [9.3K]
Define an x-y coordinate system such that
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The positive y-axis = the northern direction, with unit vector \hat{j}.

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The wind blows at 40 km/h in the direction 34° south of east. Its velocity vector is
\vec{v}_{2} =40(cos(34^{o})\hat{i} - sin(24^{o})]\hat{j}) = 33.1615\hat{i} -22.3677\hat{j})

The plane's actual velocity is the vector sum of the two velocities. It is
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v = √(121.1615² + 306.0473²) = 329.158 km/h

The angle that the velocity makes north of east is
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Answer:
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3 years ago
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hoa [83]

Answer:

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Explanation:

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