How much power is intercepted by the ear

Assignment Help Physics
Reference no: EM13500379

A typical adult ear has a surface area of about 1.90 10-3 m2. The sound intensity during a normal conversation is about 3.60 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?

________ W

Reference no: EM13500379

Questions Cloud

A brief summary and critique of what you found : Check out one of the online recruitment companies: monster.com and careerbuilder.com are just two possibilities. Give us a brief summary and critique of what you found.
What torque about the origin acts on the particle : A 3.0 kg particle with velocity v = (5.0 m/s) - (6.0 m/s) is at x = 3.0 m, y = 8.0 m. It is pulled by a 7.0 N force in the negative x direction. What torque about the origin acts on the particle
Define the vapor pressure of the resulting solution : The liquids propanol (P=20.9 torr at 25 degrees celsius) and isopropanol (P=45.2 torr at 25 degrees celsius) are mixed such that the mole fraction of propanol is 0.600. At 25 degrees celsius, what is the vapor pressure of the resulting solution
The california facility differently than the ohio facility : Would you staff or schedule the California facility differently than the Ohio facility? Explain your reasoning.
How much power is intercepted by the ear : A typical adult ear has a surface area of about 1.90 10-3 m2. How much power is intercepted by the ear
Explain what is the molar mass of the biomolecule : A 0.22 g sample of a large biomolecule was dissolved in 30.0 mL of solution. The osmotic pressure of this solution was 32 mm Hg at 27 degrees celsius. What is the molar mass of the biomolecule
Obtain the linear density of the string : The middle C string on a piano is under a tension of 644 N. Find the linear density of the string
Explain what is the molar mass of the non-electrolyte : A solution is made by dissolving 92.4 g of a non-electrolyte in 800. g chloroform (Kb=3.63 degrees C-kg/mol and Tb=61.26 degrees celsius). The boiling point of this solution is 62.91 degrees celsius. What is the molar mass of the non-electrolyte
Explain the mole fraction of h2so4 in this solution : An aqueous solution is 16% (w/w) H2SO4 (molar mass=98.09). What is the mole fraction of H2SO4 in this solution

Reviews

Write a Review

Physics Questions & Answers

  What is the current flowing in the square loop

A square loop of wire surrounds a solenoid. The side of the square is 0.1 m, while the radius of the solenoid is 0.025 m. What is the current flowing in the square loop

  What is the total force the person must apply

A person is pushing a uniformly-loaded 24.15 kg wheelbarrow along a plank that makes an angle ? = 38.0° with the horizontal. What is the total force the person must apply

  How far does his center of mass move up

Dave Johnson, the bronze medalist at the 1992 Olympic decathlon in Barcelona, How far does his center of mass move up as he makes the jump

  Find the terminal speed at which the bar falls

A 55g horizontal metal bar, 15cm long, is free to slide up and down between two tall, vertical metal rods that are 15cm apart. What is the terminal speed at which the bar falls

  Find the coefficient of performance of this refrigerator

A refrigerator uses an ideal Carnot cycle to cool its interior. The outside air has a temperature of 302 K and the refrigerator is kept at a temperature of 276 K. find the coefficient of performance of this refrigerator

  Clarify how far from the base of the house the basketball

The roof makes an angle of 23 degrees with the horizontal. If the edge of the roof is 10 meters high, clarify how far from the base of the house the basketball hits.

  How much work was done on the block by friction

A small block with mass 0.0450kg slides in a vertical circle of radius 0.600m on the inside of a circular track. How much work was done on the block by friction during the motion of the block from point A to point B

  Q1 a cube of ice is taken from the freezer at -94degc and

q1. a cube of ice is taken from the freezer at -9.4degc and placed in a 94 g aluminium calorimeter filled with 315 g of

  How far was the mirror moved

A piece of thin spherical shell that has a radius of curvature of 90 cm is silvered on both sides. How far was the mirror moved

  Find the final angular speed of the student

A student sits on a stool that is free to rotate about a vertical axis. He holds his arms extended horizontally with a 4.0-kg dumbbell in each hand. Find the final angular speed of the student

  What was the initial velocity of the clown

A circus clown weighing 175 pounds is fired from a cannon at 50 degrees above the horizontal. What was the initial velocity of the clown

  Find the force exerted on the plates of the capacitor

A capacitor has plates that are located .08 meters from each other with air as the material between the plates, Find the force exerted on the plates of the capacitor

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd