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Verdich [7]
3 years ago
14

What is the angle of reflection?

Physics
1 answer:
hoa [83]3 years ago
4 0
I can guarantee you that it is not
C.<span>the angle that the incident ray makes with a line drawn perpendicular to the reflecting surface  I hope this somewhat helps</span>
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A source emits sound with a frequency of 860 Hz. It is moving at 20.0 m/s toward a stationary reflecting wall. If the speed of s
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Answer:

f_o=860\ Hz

Explanation:

Given:

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  • speed of the sound source, v_s=20\ m.s^{-1}
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<u>According to the Doppler's effect:</u>

\frac{f_s}{f_o} =\frac{s+v_s}{s-v_o}

The sound is reflected from the wall and the source is moving towards the wall and observer is also riding the same source.

The velocity of the observer, v_o=-20\ m.s^{-1}

\frac{860}{f_o} =\frac{s+20}{s-(-20)}

f_o=860\ Hz

3 0
3 years ago
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