What is the decibel level of street

Assignment Help Physics
Reference no: EM138606

Q1. A krypton laser produces the cylindrical red laser beam 2.0mm in diameter with 2.0W of power. What is the light intensity on a wall 0.70 m away from the laser?

Q2. Estimate g for space shuttle territory, 180km above Earth's surface. Earth's mass is 6 x 10^24 kg and its radius is 6380km.

Q3. On a workday an average decibel level of the busy street is 89 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 30 every minute on a weekend, what is the decibel level of street?

Reference no: EM138606

Questions Cloud

Find out the final image distance relative to the lens : Radioactive isotopes frequently occur together in mixtures. Assume a 400g sample contains, with a half-life of 12 days, and, with a half-life of 4.5 days. If there are firstly twice as many calcium atoms as there are barium atoms, what will be the ra..
Compute the revised slope : Compute the revised slope of the AE cure and the multiplier when you know that the imports and the marginal tax rate
What is the resulting average force on that helicopter : A 9.0 cm diameter wire coil is at first oriented so that its plane is perpendicular to a magnetic field of 0.67 T pointing up. During the course of 0.30 s, the field is changed to one of 0.25 T pointing down. What is the average induced emf in coil.
Optimal output before and after the tax : What effect did the tax have on LeAnn's output level. How LeAnn's did profits change.
What is the decibel level of street : On a workday an average decibel level of the busy street is 89 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 30 every minute on a weekend, what is the decibel level of street.
Compute the deadweight loss : Compute the deadweight loss if the U.S. imposes a tariff of 25 cents per bottle of imported wine.
Compute the coefficient of variation : Compute the coefficient of variation for each project and Classify the preferred project according to this criterion.
Find the tension in each wire : The 3.3 kg piece of wood slides on the surface. The curved sides are perfectly smooth, but the rough horizontal bottom is 35 m long and has the kinetic friction coefficient of 0.24 with the wood. The piece of wood starts from rest 6.0 m above the rou..
Describe the discretionary and non-discretionary : Describe the Discretionary and Non-discretionary Fiscal Policy you would advise

Reviews

Write a Review

Physics Questions & Answers

  Find amplitude to drop to half its initial value

How long does it take for amplitude to drop to half its initial value . How long does it take for mechanical energy to drop to half its initial value.

  What is wavelength of the x-ray photon

What is wavelength of the X-ray photon

  What was the average acceleration throughout the trip

What was the average acceleration throughout the trip

  What is magnitude of the coulomb force

What is magnitude of the Coulomb force

  What is tension in each of the cables

What is tension in each of the cables

  What is the speed of the block

A staging that weighs 440 N supports two painters, one 110 N and the other 460 N. The reading in the left scale is Ft = 800 N. What is the reading Fr, in the right hand scale.

  What is the magnitude and direction of the magnetic field

What is the magnitude and direction of the magnetic field

  What is torque exerted about the center of the disk

A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.

  Find speed at which the ball was launched

A ball has fallen to the street below, and a passerby returns it by launching it at an angle of 53.0° above the horizontal at a point 26.0 m from the base of the building wall. The ball takes 2.20 s to reach a point vertically above the wall.

  What average force athletes legs apply on a ground

What average force athletes legs apply on a ground

  What would be apparent speed of the spacecraft image

What would be apparent speed of the spacecraft image

  What is the frictional force

What is the frictional force

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