College Physics

A baby's mouth is 30.0 cm from her father's ear and 1.50 m from her mother's ear. What is the difference between the sound intensity levels (in dB) heard by her father and by her mother?

  1. 👍
  2. 👎
  3. 👁
  1. (20)^2 = 400 times the sound power (at the mother's ear) = how many decibels?

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. art

    When painting a portrait of a face in proportion, it is important to do all of the following, except a. to keep the size of the ear the same as the size of the eye. b. to keep the corners of the mouth lined up with the center of

  2. Biology

    1. A version of a gene is called a(n) karyotype. autosome. allele. phenotype. 2. If a father is affected by an X-linked dominant condition and the mother is not, which children can inherit the condition? only males both males and

  3. English

    In to Kill A Mockingbird, what happened to Dill's father? At the beginning Dill mentions he didn't have a father but when Scout pressures him he says his father is not dead. Later, he mentions his father owning the railway ( a

  4. English (Reunion by John Cheever)

    In John Cheever's story reunion, what do the restaurants symbolize. Why does Charlie call hi father daddy at the end of the story? Examine the first and last sentences of the story. What is common and why? How do you interpret the

  1. science

    Which one of the following words does not belong with the others and why? Father Aunt Sister Cousin Mother Uncle You and your sister have the same parents. Your father, mother, aunt, and uncle have the same sets of parents -- your

  2. English

    My teacher said to develop this into an essay, I am unsure of how to go about doing that. As we grow up we become more aware of the aspects of life all around us. We recognize the types of relationships we have with people, pain

  3. Biology

    Is the oval window soft or hard? Explain the advantage to your answer Personally I think it's soft and it's because being soft would it to be amplified to the ear hear things more clearly. Explain why a person with a sore throat

  4. English

    1. I have a mother, father and brother. 2. I have Mother, Father, and a brother. 3. I have mother, father, and a brother. 4. I have Mother, Father, and Brother. 5. I have my mother, my father, and my brother. 6. I have my mother,

  1. Early Education

    Joan's father is a single parent who works full-time during the day. What should her early interventionist do to maximize communication with the father? A. Let the father know that he will need to arrange to miss work to attend

  2. ALGEBRA

    NABWIRE IS n YEARS OLD HER MOTHER S AGE IS ( n ^2-4)yearS ,AND HER FATHER IS yearS OLDER THAN HER MOTHER IF THE COMBINED AGE OF ALL THREE IS 76 yearS FORM AN EQUATION IN AND SOLVE IT HOW OLD IS FATHER ?

  3. English (Urgent)

    In John Cheever's story reunion, what do the restaurants symbolize. Why does Charlie call hi father daddy at the end of the story? Examine the first and last sentences of the story. What is common and why? How do you interpret the

  4. Math

    If a mother is 20 years old when her baby is born how old will she be when she is twice as old as her child

You can view more similar questions or ask a new question.