Determine what was the sound power output of the speaker

Assignment Help Physics
Reference no: EM13670392

At a rock concert, a meter reads 130 dB when located 2.80 meter in front of a loudspeaker. Find what was the sound power output of the speaker assuming uniform, isotropic sound propagation?

Reference no: EM13670392

Questions Cloud

Dna analysis due to a backlog of cases : Name and describe the five factors which prevent crime laboratories from meeting the increased demand for DNA analysis due to a backlog of cases.
Describe the major sources of income and expenditures : Describe the major sources of income and expenditures for households and What percentage of income is paid in taxes at each level?
Find the possible ranges in the value for period of signal : If a 1000 hertz signal has a time base measurement that is off by 15 percent, determine the possible ranges in the value for the period of the signal
Find what vertical setting for the amplitude will display : A harmonic signal with a frequency of 1000 hertz and an amplitude of 2 volts is displayed on the oscilloscope. Find what vertical setting for the amplitude (volts/div) will display the peak to peak voltage in 4 horizontal divisions
Determine what was the sound power output of the speaker : At a rock concert, a meter reads 130 dB when located 2.80 meter in front of a loudspeaker. Find what was the sound power output of the speaker
Find how long is the pipe and is it open or closed : A pipe fitted with air at 20oC produces two successive harmonics at 240 Hertz and 280 Hertz. Find how long is the pipe and is it open or closed
Determine how far into space it will go : A mass is projected upwards from the Earth's surface with an initial velocity of 7000m/s. Determine how far into space it will go before it stops rising and is on the point of returning to earth
Obtain the fraction of its total kinetic energy : A solid ball rolls along the floor with a constant linear speed v. Obtain the fraction of its total kinetic energy that is in the form of rotational kinetic energy about the center of the ball
Find what frequency will the bank robbers hear : A police car with a frequency of 1600 Hertz is following the getaway car. Both are traveling 25 m/s in the similar direction. Find what frequency will the bank robbers hear

Reviews

Write a Review

 

Physics Questions & Answers

  What is the temperature of the colder reservoir

a carnot efficiency engine operating between a reservoir of liquid mercury at its melting point and a colder reservoir extracts 15.0 J of heat from the mercury, What is the temperature of the colder reservoir

  Question1two rectangular optically flat glass plates of

question1two rectangular optically flat glass plates of index of refraction 1.46 are in contact along one end and are

  A series rcl circuit has a resonant frequency

A series RCL circuit has a resonant frequency of 2200 Hz. When operating at a frequency other than 2200 Hz, the circuit has acapacitive reactance of 5.50 Ohms and an inductive reactanceof 35.0 Ohms.

  Determine the truck original speed

A truck covers 40.0 meter in 7.05 second while smoothly slowing down to a final velocity of 2.95 m/s. Determine the truck original speed

  How many such ions are present on the outer surface

The membrane that surrounds a certain type of living cell has a surface area of 4.5 x 10-9 m2 and a thickness of 1.1 x 10-8 m, how many such ions are present on the outer surface

  Estimate the breakdown voltage in the air for your finger

Suppose the end of your finger is charged, Estimate the breakdown voltage in the air for your finger

  What were the initial charges on the spheres

Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.7692 N when separated by 50 cm, center-to-center, What were the initial charges on the spheres

  Calculate the final speed of the ball

You hit a 142 g baseball by swinging a bat with a force of 500 N. The collision lasts for 25.0 ms. If the ball was initially thrown at 19 m/s, What is the final speed of the ball

  Compute the work done on it by the rope

The aurora is caused when electrons and protons, moving in earth's magnetic field of 5x10^-5 T, collide with molecules of the atmosphere and cause them to glow. What is the radius of the circular orbit for (a) an electron with speed 1.0×10^6 and (b) ..

  Evaluate what was its initial speed

A sled is initially given a shove up a frictionless 25 degree incline. It reaches a maximum vertical height 1.35 m higher than where it started. What was its initial speed

  The raising and lowering angular momentum operators

The raising and lowering angular momentum operators, J-hat(subscript +), J-hat(subscript -) are defined in terms of the Cartesian components J-hat(subscript x), J-hat(subscript y), J-hat(subscript z) of angular momentum J-hat by J-hat(+)=J-hat(x)+..

  What is the beams change in length

A steel beam 10m long is installed in a structure at 15?C, What is the beam's change in length when the temperature reaches 50?C

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