College Physics

posted by .

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?

  • College Physics -

    (20)^2 = 400 times the sound power (at the mother's ear) = how many decibels?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. English

    1. What do you usually do after school? I always go to an academy. I always go to my academy. I always go to our academy. I always go to the academy. (Which answer is right and commonly used?
  2. Physics - sound

    When wearing proper ear protection, a jack hammer operator experiences a sound intensity of 1x10^-6 W/m2. The ear protection purpots to reduce the sound intensity by 100 times. What is the actual sound level of the jack hammer?
  3. 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, father, …
  4. Biology

    Jessica has no dimples and attached ear lobes. Jessica's mother has dimples and detached ear lobes, and her father has no dimples and attached ear lobes. Assuming independent assortment, what are the chances that her new baby brother …
  5. Math

    You are attending a loud concert. To avoid ear damage, you decide to move father from the stage. Sound intensity is given by the formula I= k/d2, where k is the constant and d is the distance in meters form the listener to the source …
  6. Grammar

    Select the correctly punctuated sentence (both own the house): A) My mother and father’s house is painted gray. B) My mother’s and father house is painted gray. C) My mother’s and father's house is painted gray. D) My mother …
  7. parents, Finances, and School-Age Children

    Which one of the following groups of people is an example of a reconstituted family?
  8. English

    Which of the following correctly compares the reactions of the mother and father in "Loyalites?
  9. LOGS

    The decibel level of a sound is given by dB=10log(EE0), where E0=10−12wattsm2 and E is the intensity of the sound. (a) Find the intensity of a 80-decibel sound. E= watts per square meter. (b) How many times more intense is the …
  10. math

    mother had $240 more than father at first .after mother spent $260 on a dress father had twice as much money as mother .find the amount of money mother had at first ?

More Similar Questions