User Account

All Pages

What is the total sound level in the room

Assignment Help Physics
Reference no: EM13964728

If I have the television on and the sound level is 60 dB, then my wife starts the vacuum which is 74 dB, then the baby starts crying at 78 dB, what is the total sound level in the room? And what is the total intensity?

Reference no: EM13964728

Questions Cloud

How long until damage to hearing occurs : A mother hears a child scream from across the room, 23 feet away. The sound pressure level is 72dB. When she holds the child on her shoulder, her ear is 3 inches from the screams. Using the decibel chart, about how long until damage to her hearing..
Express the answer in the significant figures : If the air temperature decreases with altitude at a rate of 0.6 degrees celsius/100 m, at approximately what height above the ground will clouds form if the relative humidity at the surface is 35%? (Hint: Use the table following table.)
Provide meaningful explanations : Briefly describe your topic and explain the focus of your paper (thesis) List the subtopics that will be covered and be sure to provide meaningful explanations on each subtopic
Problem regarding the basis of a subspace : Let B={v1,...,vn} be a basis of a subspace V of Rnx1. Let x be the nonzero vector x=a1v1+...+anvn for scalars ai. Let C={x, v2,...,vn}.
What is the total sound level in the room : If I have the television on and the sound level is 60 dB, then my wife starts the vacuum which is 74 dB, then the baby starts crying at 78 dB, what is the total sound level in the room? And what is the total intensity?
What is the valency of nitrate radical in nitric acid and : What is valency of an element. What is the valency of Cl in HCl. What is the valency of nitrate radical in Nitric acid and sulphate radical ion in sulphuric acid. What is the valency of elements which do not combine with hydrogen.
What additional information would be helpful : Frame the initial issue(s) arising from the following facts. What additional information would be helpful?  Taxpayer purchases a ticket for the New Jersey lottery. He won $1000. Taxpayer paid $5000 to his former wife.
The amount of the average investment : The amount of the average investment for a proposed investment of $120,000 in a fixed asset with a useful life of 4 years, straight-line depreciation
What is the mean collision time at a he pressure of 100 : Use the data presented to deduce the rate of increase in the homogeneous line width in units of MHzTorr^-1 for each of the two transitions. Explain briefly the cause of this increase in homogeneous line width with pressure.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude and direction of the electric field at o

A uniformly charged insulating rod of length 19.0 cm is bent into the shape of a semicircle. The rod has a total charge of -7.50 µC. Find the magnitude and direction of the electric field at O, the center of the semicircle. EO = N/C.

  A uniform stick is held horizontally and then released at

a uniform stick is held horizontally and then released. at the same instant one end is struck with a quick upwards

  Find resistance of the corresponding shunts

200 Ohm, 0.5mA galvanometers are usedfor making a 20 A ammeter and a 120 V voltmeter. Find resistance of the corresponding shunts

  Estimate the force on the window

Consider an airplane window (area 0.34 m2). If the pressure inside the plane is atmospheric pressure and the pressure outside is 18% of Patm, what is the force on the window

  A radioactive matter with a half-life

A radioactive matter with a half-life of 3.0 days has an initial activity of 0.24 Ci. What is its activity after 6.0 days?

  An experimenter adds 970 j of heat to 175 mol of an ideal

an experimenter adds 970 j of heat to 1.75 mol of an ideal gas to heat it from 10.0c to 25.0c at a constant pressure.

  Calculate how much time elapses

A boy stands on a diving board and tosses a stone into a swimming pool. How much time elapses between when the stone is thrown and when it strikes the bottom of the pool

  Compute the electric flux through a rectangular plane

An electric field of intensity 2.5 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.70 m long if the following conditions are true.

  With what minimum speed should fran leave the ground

A 0.255 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.200 kg puck that is initially moving along the x axis with a velocity of 2.06 m/s. After the collision, the 0.200 kg puck has the speed of 1.02 m/s at an ang..

  How many photons are in the pulse

A laser emits a single, 2.0-ms pulse of light that has a frequency of 2.83 ´ 1011 Hz and a total power of 75 000 W. How many photons are in the pulse

  A rectangular block of copper has sides of length 13cm23cm

a rectangular block of copper has sides of length 13cm23cm and 38cm. if the block is connected to a 7.0v source across

  What is the total acoustic power output of the speaker

A loudspeaker at a rock concert generates 10-2 W/m2 at 22.0 m at a frequency of 1.0 kHz. Assume that the speaker spreads its energy uniformly in three dimensions. What is the total acoustic power output of the speaker

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd