Anonymous
Anonymous asked in Science & MathematicsPhysics · 12 months ago

Physics help!?

Last year I felt an earthquake while I was watching television. The earthquake

that I experienced

produced a wave that travelled through the earth at a speed of 1.3 X 10^4

m/s. This wave is incident on a

boundary between two types of materials. If this incident angle is 35

and the refracted

angle in

the second medium is 32 what is

the speed of the wave in the second medium

1 Answer

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  • 12 months ago

    Did you measure all of that when you felt it or after the fact?

    The speed in the 2nd medium is n1/n2 = sin(32°) / sin(35°) = 0.924 times the speed in the 1st medium.

    Assuming standard definition of incident and refracted angle and that you meant degrees and not in fact radians.

    P.S

    When text

    is like this it

    is

    really hard to

    read so format your

    questions

    heathen

    (:(

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