Calculate the ratio of total sound power to electric-power

Assignment Help Mechanical Engineering

Reference no: EM131171211

A certain loudspeaker produces a sound-pressure level of 90 dB at a distance of 1.0 m from the speaker cone for a power input to the speaker of 1 W. Calculate the ratio of total sound power to electric-power input, assuming all the sound power passes through a 1-m radius hemisphere in front of the speaker.

Reference no: EM131171211

Questions Cloud

Design an appropriate seismic-type system : For a turntable mass of 8 kg, design an appropriate seismic-type system which will attenuate frequencies below 180 Hz. Specify two suitable sets of design parameters.

Discuss the basic models of the firm : Discuss the basic models of the firm and for each model,clearly highlight its assumptions and limitations?

Unequal income distribution in the united states : Unequal income distribution in the United States- The effects of inequality on health care - Suggest reasons why these inequalities persist.

Reflect on recent experience you have had as customer : Reflect on a recent experience you have had as a customer. Was the customer service a good experience or a bad experience? Describe the experience. Explain your feelings. Now imagine that you are the manager of that department. As the manager, what w..

Calculate the ratio of total sound power to electric-power : Calculate the ratio of total sound power to electric-power input, assuming all the sound power passes through a 1-m radius hemisphere in front of the speaker.

What can you change in your plans to create an opportunity : What can you change in your plans to create an opportunity? What would that opportunity be? What is the probability that this opportunity could occur? What is the impact

Briefly state the central problem in narrative form : Briefly state the salient facts of the case in narrative form - include history and pertinent background information. Be concise and precise.

Briefly describe the type of financing that was being used : Provide an explanation behind the company's bubbly corporate valuation during this time. Briefly describe the type of financing that was being used here and why it was used for each round of funding.

Determine the voltage output from the microphone : A microphone having an open-circuit sensitivity of -60 dB referenced to 1 V is used to measure the sound level from the speaker in Prob. 11.37. Determine the voltage output from the microphone.

User Account

All Pages