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yanalaym [24]
3 years ago
9

Una persona que está situada entre dos montañas emite un sonido, si percibe el primer eco a los 2 seg, y el siguiente a los 3 se

g. ¿Cuál es la separación de la montaña?
Mathematics
1 answer:
Goryan [66]3 years ago
3 0

Answer:

1715 metros

Step-by-step explanation:

Lo que debemos hacer es calcular la distancia del primer y del segundo eco.

Debemos conocer la velocidad del sonido que en términos generales es 343 m/s, por lo tanto, la distancia sería igual a:

v = d/t => d = v*t

d1 = 343*2 = 686 metros

d2 = 343*3 = 1029 metros

La separación sería la suma de ambas distancias así:

686 + 1029 = 1715

1715 metros sería la distancia de separación entre ambas montañas.

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Answer:

A. m\angle RST=62^{\circ}

Step-by-step explanation:

We have been given a diagram. We are asked to find the measure of angle RST.

We can see that angle RST is formed by intersecting chords inside the circle, so its measure would be half the sum of intercepted arcs as:

m\angle RST=\frac{\widehat{RT}+\widehat{PQ}}{2}

m\angle RST=\frac{77^{\circ}+47^{\circ}}{2}

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Therefore, the measure of angle RST is 62 degrees.

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Answer:

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Step-by-step explanation:

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