A sound wave with amplitude Xo is measured by an observer to have an intensity of lo when the observer is

standing 4.0 meters from the source.

Which best describes the amplitude of a sound wave

and distance from the source where it will be measured

with an intensity of 16/,?

Increase the amplitude to 8x, and stand 2 meters

from the source.

Increase the amplitude to 4x, and stand 10 meters

from the source.

Increase the amplitude to 2x, and stand 2 meters

from the source.

Increase the amplitude to 4x, and stand 8 meters

from the source.

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Which themes are portrayed in this excerpt from leo tolstoy’s the death of ivan ilyich? praskovya fedorovna came of a good family, was not bad looking, and had some little property. ivan ilyich might have aspired to a more brilliant match, but even this was good. he had his salary, and she, he hoped, would have an equal income. she was well connected, and was a sweet, pretty, and thoroughly correct young woman. to say that ivan ilyich married because he fell in love with praskovya fedorovna and found that she sympathized with his views of life would be as incorrect as to say that he married because his social circle approved of the match. he was swayed by both these considerations: the marriage gave him personal satisfaction, and at the same time it was considered the right thing by the most highly placed of his associates. so ivan ilyich got married. conforming to social conventions criticism of a middle class lifestyle the destructive impact of loneliness struggling to face reality the necessity of companionship

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.