Determine how much power is intercepted by the ear

Reference no: EM13500926

A typical adult ear has a surface area of about 2.10 10-3 m2. The sound intensity during a normal conversation is about 3.20 10-6 W/m2 at the listener's ear. Assume the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear?

Reference no: EM13500926

Questions Cloud

Concise statement of the issues and consequences : A memo question will be assigned during lecture or tutorial and a written description of that question will be posted to the assignment section of Blackboard. A total of four to five Memos will be assigned during the term.

Define why we need myoglobin and hemoglobin : Explain why we need myoglobin and hemoglobin. And why the mice don't sufficate when they are immersed in a fluorocarbon fluid

Hemophilia is an inherited sex-linked genetic blood disorder : Hemophilia is an inherited sex-linked genetic blood disorder

Explain how would you prepare a sodium phosphate at ph 7 : How would you prepare a sodium phosphate at pH 7. What species would you use, what concentrations. Remember phosphoric acid has three pKas

Determine how much power is intercepted by the ear : A typical adult ear has a surface area of about 2.10 10-3 m2. The sound intensity during a normal conversation is about 3.20 10-6 W/m2 at the listener's ear. How much power is intercepted by the ear

What is the induced emf in the bar and rails : A bar of length 2cm slides along metal rails at a speed of 1cm/s. The bar and rails are in a magnetic field of 2T, What is the induced emf in the bar and rails

Explain the late stretching mode in the infrared spectum : In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching fequency, we would not have expected to observe the late stretching mode in the infrared spectum. Why

What is the half-life of the state : If the uncertainty in the energy of an excited state is a billionth of an electron volt (1 neV), what is the half-life of the state

Diamonds and hearts are red and clubs and spades are black : Diamonds and Hearts are red and Clubs and Spades are black. Suppose you randomly select three cards from the deck. The outcome of interest is the colour of each of the selected cards.

User Account

All Pages