What is the power of a sound wave passing through an area

Assignment Help Physics
Reference no: EM13957643

What is the power of a sound wave (B = 32 dB) passing through an area of 12.5 cm ^2? Suppose the same sound wave passes through an area of 25 cm^2. What is its intensity level?

Reference no: EM13957643

Questions Cloud

What is the probability that addie picked the second box : Addie, who is blindfolded, selects a box at random and draws one envelope from the box. The envelope contains a $5 bill. What is the probability that Addie picked the second box?
Legal contract using example from scenario where application : Jim and Laura Buyer visit the local car dealership because they are interested in buying a new car. The car they currently have is aging and is starting to have mechanical problems. Jim and Laura would share the new car, and use it to go back and ..
What is the probability that the sum of the two is even : Possible combinations (1,4), (1,5), (1,6), (2,4), (2,5), (2,6), (3,4), (3,5), and (3,6) for a total of 9 possible combinations.
Sections from the texas bill of rights : Pick any of the sections from the Texas Bill of Rights What is the right that is mentioned? What does it mean (in your own words)? Find a Supreme Court case (US or Texas) dealing with the issue brought up by the right you are mentioning. What wer..
What is the power of a sound wave passing through an area : What is the power of a sound wave (B = 32 dB) passing through an area of 12.5 cm ^2? Suppose the same sound wave passes through an area of 25 cm^2. What is its intensity level?
Describe the fit of regression : State the degrees of freedom for a two- tailed test for zero slope, and use Appendix D to find the critical value at á = .05. (c) What is your conclusion about the slope? (d) Interpret the 95 percent confidence limits for the slope. (e) Verify tha..
Find the transition probabilities of the markov chain. : Find the stationary distribution of the Markov chain.
What duties and responsibility did hrm professional neglect : What principle or principles were neglected in this instance? What duties and responsibilities did the HRM professional neglect? Could this instance have been avoided?
Should lillian have considered any qualitative factors : What was the opportunity cost of accepting the New England Investments group? Should Lillian have considered any qualitative factors in her decision? Explain.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnetic force on the electron hint use -q instead

an electron charge -1.6 e-19 c is moving at 3.0 e 5 ms in the positive x direction. a magnetic field of 0.8 t is in

  Determine the distance from the positive plate

A uniform electric field of magnitude 600 N/C exists between two parallel plates that are 4.24 cm apart. Determine the distance from the positive plate at which the two pass each other. Ignore the electrical attraction between the proton and electr..

  What is the maximum velocity the electrons may have

The microwaves in a microwave oven are produced in a special tube called a magnetron. What is the maximum velocity the electrons may have

  How much charge will end up on each capacitor plate

If the same number of 7.00 uF are connected in series with the same 3.00 V battery, how much charge will end up on each capacitor plate

  Calculate the force on a proton due to dipole at location

A dipole is located at the origin, and is composed of charged particles with charge +e and -e, separated by a distance 3 10-10 m along the y axis. The +e charge is on the -y axis.

  Obtain the maximum stress that this bone can withstand

The femur is a bone in the leg whose minimum cross-sectional area is about 4.3 x 10-4 m2. Find the maximum stress that this bone can withstand

  What was the speed of the lighter car

When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. What was the speed of the lighter car just after the collision

  Refrigerant 134a enters a compressor operating at steady

refrigerant 134a enters a compressor operating at steady state as saturated vapor at 0.12 mpa and exits at 1.2 mpa and

  What is the strength of the electric field between plates

A pair of oppositely charged parallel plates is separated by 5.44 mm. A potential di?erence of 631 V exists between the plates. What is the strength of the electric field between the plates

  What are the force and torque experienced by a system

in a certain region of space electric field is along the z-direction throughout. the magnitude of electric field is

  Determine the total electric flux through the given plane

Two point charges q = 63.0 nC and q = -63.0 nC are in vacuum located on the x axis at -46.0 cm and 46.0 cm, calculate the total electric flux through the y-z plane

  Determine the radius of the circular path

An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 1.00 mT. Determine the radius of the circular path

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