Find the intensity level of the sound wave due to ambulance

Assignment Help Physics
Reference no: EM13314489

A sound wave from a police siren has an intensity of 103.1 W/m2 at a certain point; a second sound wave from a nearby ambulance has an intensity level that is 12 dB greater than the police siren's sound wave at the same point. What is the intensity level of the sound wave due to the ambulance?

dB

Reference no: EM13314489

Questions Cloud

Define what is the ph of 0.121 mol/l h2so3(aq) at 25oc : Sulfurous acid, H2SO3, is a weak diprotic acid (pKa,1=1.89 and pKa,2=7.21 at 25oC). What is the pH of 0.121 mol/L H2SO3(aq) at 25oC
Explain what volume of ether would be required to extract : What volume of ether would be required to extract 0.95 g of aspirin from a solution of 1.0 g of aspirin in 100 mL of water in a single extraction
Define what is the percent ionization of ha : What is the percent ionization of HA in 0.11 mol/L HA(aq) if HA is a weak acid with pKa=6.00. Enter your answer accurate to three significant figures
Explain what practical advantage does an extraction solvent : What practical advantage does an extraction solvent that is denser than water have over one that is less dense
Find the intensity level of the sound wave due to ambulance : A sound wave from a police siren has an intensity of 103.1 W/m2 at a certain point; find the intensity level of the sound wave due to the ambulance?
Explain what is the enthalpy of this reaction : In a constant pressure calorimeter 25 mL of 1.0M NaOH reacts with 250 mL of 1.0M HCl and the temperature increases 6.0 degree celsius. What is the enthalpy of this reaction?
Create a public relations campaign for a financial : Create a public relations campaign for a financial institution that has recently received negative exposure in the media pertaining to its lack of responsiveness to those wishing to modify existing home loans.
What is the useful output power of the hoist : A 300-kg elevator is raised with a constant speed through a vertical distance of 100 m in two minutes. What is the useful output power of the hoist
Determine their common speed and direction : An 85 kg linebacker is running at 8 m/s directly toward the sideline of a football field. Determine their common speed and direction immediately after they collide

Reviews

Write a Review

Physics Questions & Answers

  Obtain the height of the cliff

At t = 0, a stone is dropped from a cliff above a lake; 2.2 seconds later another stone is thrown downward from the same point with an initial speed of 48.0 m/s. Find the height of the cliff

  What is the potential difference vb and va between a and b

A particle with a charge of ?1.0 ?C and a mass of 2.4 10-6 kg is released from rest at point A and accelerates toward point B, What is the potential difference VB ? VA between A and B

  Determine the decrease in kinetic energy of the bullet

A bullet with a mass of 4.25g , traveling horizontally with a speed of 434m/s , is fired into a wooden block with mass of 0.786kg, What is the decrease in kinetic energy of the bullet

  What is the magnitude of vector a minus vector b

Vector A~ has a magnitude of 9 and points in the positive x-direction. Vector B~ has a magnitude of 19 and makes an angle of 38? with the positive x-axis

  What is an angle of inclination theta

Using and Atwood machine with masses m1 and m2, at first with m1 a distance 2h above m2, what is the speed of either mass they pass each other? Make use of energy to solve (hint they cross halfway between the starting positions of the two masses).

  Explain whys the temperature of a gas increases

Disscus how the conservation of energy law explain whys the temperature of a gas increases when it is quickly compressed, whereas the temperature decreases when the gas expands.

  What would the radius of the circle be

An electron is projected vertically upward with a speed of 1.65x10^6 m/s into a uniform magnetic field of 0.160 T that is directed horizontally away from the observer. What would the radius of the circle be.

  Which of the following statement are true

A free electron and a free proton are placed in an identical electric field. which of the following statement are true?

  What is the velocity of the boat relative to shore

A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 15 m/s due north relative to water.

  Determine the work done by the normal force exerted by table

A block of mass 2.50 kg is pushed 2.60 m along a frictionless horizontal table by a constant 14.0 N force directed 25.0ª below the horizontal. Determine the work done by the normal force exerted by the table

  Which type of chemical bond would result from this process

If the asteroid fragment contains carbon, it may burn when entering Earth's atmosphere. Which type of chemical bond would result from this process

  Find the number of lines

White light shines through a diffraction grating and onto a screen, What is the number of lines per (mm) for this grating and What is the number of lines per (cm)

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