Spherical source radiates sound uniformly in all direction

Assignment Help Physics
Reference no: EM13547415

A spherical source radiates sound uniformly in all directions. At a distance of 16 m, the sound intensity level is 10-4 W/m2. (a) At what distance from the source is the intensity 10-7 W/m2? (b) What power is radiated by this source? 

Reference no: EM13547415

Questions Cloud

The drag force on it from the liquid is negligible : A 4.80 kg object is released from rest while fully submerged in a liquid. The liquid displaced by the submerged object has a mass of 3.25 kg. How far and in what direction does the object move in 0.250 s, assuming that it moves freely and that the dr..
What is your blood pressure in kilopascals : You inflate the front tires on your car to 29 psi. Later, you measure your blood pressure, obtaining a reading of 138/84, the readings being in mm Hg. In metric countries (which is to say, most of the world), these pressures are customarily reported ..
Explain what volume of air at 25 oc and 1 atm : Photosynthesis by land plants leads to the fixation each year of about 1 kg of carbon on the average for each square meter of an actively growing forest. The atmosphere is approximately 20% O2 and 80% N2, but contains 0.046% CO2 by weight. What vo..
Evaluate the focal length of the converging lens : A converging lens is placed 22.0 cm to the right of a diverging lens of focal length 14.0 cm. Calculate the focal length of the converging lens
Spherical source radiates sound uniformly in all direction : A spherical source radiates sound uniformly in all directions. At a distance of 16 m, the sound intensity level is 10-4 W/m2. (a) At what distance from the source is the intensity 10-7 W/m2? (b) What power is radiated by this source?
Evaluate what is the focal length of the mirror : A 2.00 cm high object is placed 3.0 cm in front of a concave mirror. If the image is 6.0 cm high and virtual, what is the focal length of the mirror
Sound source emits sounds of frequency : A sound source emits sounds of frequency 210 Hz that travel through still air at 340 m/s. This sound source moves with a speed of 75 m/s relative to still air toward a stationary listener.
Explain what is the cost in cents of an avocado : In Mexico, avocados are 125 pesos per kilogram. What is the cost in cents of an avocado that weighs 0.45 lb if the exchange rate is 11 pesos to the dollar
Overall mission and form an initial project plan : 1.You are a member of a newly formed team that has been tasked with designing a new product. None of the team's members have worked together previously and thus confidence is low. Which of the following tactics would be most effective in promo..

Reviews

Write a Review

Physics Questions & Answers

  Compute the zero-point energy associated with its rotation

What is the smallest quantum of energy that can be absorbed by the molecule in a rotational excitation? What is the smallest quantum of energy that can be absorbed in a vibration excitation? In what regions of electromagnetic spectrum do the transiti..

  What is its speed at the tip of its trajectory

An alpha particle (charge 2e) is sent at high speed toward a gold nucleus. The electric force acting on alpha particle is 91 N when it's 2.00 x 10^(exponent)-14m away from the gold nucleus What is the charge on gold nucleus, as a whole number mult..

  What are the volume and linear charge densities

A charge of 0.99 C is spread uniformly throughout a 18 cm rod of radius 4 mm. What are the volume and linear charge densities?

  Determine the total time the blue car is moving

Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the total time the blue car is moving

  Determine what speed would it gain

A point charge is accelerated from rest through a potential difference of 150V and gains a speed V0, What speed (in terms of V0 ) would it gain if it were accelerated through 275V instead

  Find the magnitude and direction of the rockets acceleration

A rocket of mass kg is in flight. Its thrust is directed at an angle of 60 degrees above the horizontal and has a magnitude of. Find the magnitude and direction of the rockets acceleration.

  Question1drawing velocitytime graphs of the following

question1drawing velocitytime graphs of the following motions-a a city bus that is moving with a constant velocityb a

  What is the mass of the pendulum

If a simple pendulum of length 2.09 meters is subjcted to a restoring force of 3 Newtons when displaced .15546 meters from equilibrium, what is the mass of the pendulum

  Estimate the angular acceleration of the pulley

A 2.70 bucket is attached to a disk-shaped pulley of radius 0.121 and mass 0.842 . If the bucket is allowed to fall. What is the angular acceleration of the pulley

  What is the angular speed of the wheel and clay

A potters wheel is a disk of mass 3.50kg and radius .450m and is spinning freely around a vertical axis through its center with an angular speed of 14.0rad/s. what is the angular speed of the wheel+clay

  Find what was the trucks initial speed

A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 15.0° above the horizontal. What was the truck's initial speed

  At what height above the ground do the balls collide

A rubber ball is shot straight up from the ground with speed V0. Simultaneously, a second rubber ball at height h directly above the first ball is dropped from rest

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