Calculate the diameter of the diaphragm

Assignment Help Physics
Reference no: EM13253790

The sound intensity in front of a loudspeaker diaphragm vibrating at 2kHz is 4.3 W/m^2, with an acoustic power output of 0.3W. Calculate the diameter of the diaphragm. in cm

A siren of frequency 3.20kHz moves away from a stationary observer with a speed of 30.5 m/s. If the speed of sound is 335 m/s, the frequency heard by the observer is.

Reference no: EM13253790

Questions Cloud

Define what is w when a gas is compressed : What is w when a gas is compressed from 38.3 L to 28.8 L using a constant external pressure of 745 mmHg? (Remember to include a "+" or "-" sign as appropriate.)
In which week was the painter more productive : Last week a painter pained three houses in five days. This week she painted two houses in four days. In which week was the painter more productive?
What techniques for changing organizational culture : What are the observable artifacts, espoused values, and basic assumptions associated with Cisco's culture? Explain.
Compute the enthalpy change for the reaction : The enthalpy change for the reaction below at 25oC is -1,850 kJ (per mole of C9H20). What is the internal energy change for the reaction at 25oC
Calculate the diameter of the diaphragm : The sound intensity in front of a loudspeaker diaphragm vibrating at 2kHz is 4.3 W/m^2, with an acoustic power output of 0.3W. Calculate the diameter of the diaphragm. in cm
What is the mass percentage of acetic acid in the vinegar : A 5.00-g sample of vinegar is titrated with 0.108 MNaOH. If the vinegar requires 39.1 mL of the NaOH solution for complete reaction, what is the mass percentage of acetic acid, HC2H3O2, in the vinegar
Why has internet recruiting become so important : Why has Internet recruiting become so important? How do employees conduct Internet recruiting? What are the disadvantages of internet recruiting.
Discuss in detail some of the practices to have developed : Discuss in detail some of the practices to have developed as alternatives to the traditional work schedule of a full-time, eight-hour day at the employer's place of business? Please explain in detail why these alternatives have become increasingly..
Determine the line and phase voltage and phase current : A Y-connected load with an impedance of 12-j15 Ohms per phase is connected to a balanced Delta-connected 208V, 60Hz, three-phase, positive phase-sequence supply. Determine 1) the line and phase voltage, 2) the line and phase current

Reviews

Write a Review

 

Physics Questions & Answers

  What height above the point of release would block

A 0.200 kg block is placed on a vertical spring (k = 5.00x10^3) and pushed downward, compressing the spring 0.100 m. As the block is free, it leaves the spring and continues to travel upward. What height above the point of release would block reac..

  Determine the potential

A metal sphere with radius r_a is supported on an insulating stand at the center of a hollow, metal spherical shell with radius r_b. There is charge + q on the inner sphere and charge - q on the outer spherical shell. Take potential V to be zero w..

  What height did the student fall

A student (m= 75 kg) falls freely from rest and strikes the ground. throughout the collision with ground, he comes to rest in a time of 0.040 s. the average force exerted on him by the ground is +18 000 N.

  Find the impulse delivered to the ball by the racket

A tennis player receives a shot with the ball ( 0.0600kg) traveling horizontally at 50.0 m/s, what is the impulse delivered to the ball by the racket

  Determine the efficient spring constant of the molecule

Determine the efficient spring constant of the molecule

  Find the force that must applies on the wall

A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.

  Find the oscillators total mechanical energy

n undamped 1.47-kg horizontal spring oscillator has a spring constant of 25.1 N/m, What is the oscillator\'s total mechanical energy as it passes through a position that is 0.651 of the amplitude

  What is the approximate radius of earth

What is the approximate radius of Earth? Its mass is 6.0*10^24 kilograms and the acceleration due to gravity at its surface is 9.8 m/s2

  Determine her altitude as she crosses the bar

A 52-kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.0 m/s, determine her altitude as she crosses the bar

  Define the procedure the arrows deceleration

An arrow is fire with a speed of 20m/s at the block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into the block before coming to rest relative to it.

  Find the magnitude of the gravitational force

find the mass defect (in u) for (a) helium-3 (2He3), which has an atomic mass of 3.016 030 u, and (b) the isotope of hydrogen known as tritium (1T3), which has an atomic mass of 3.016 050 u.

  Find out the dividends per share for preferred

Find out the dividends per share for preferred and common stock for each year. Prepare a brief memo (no more than 120 words) giving the arguments for and against offering this preferred stock. In the memo also briefly mention other methods of obtai..

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