How many cars are now driving on the highway

Reference no: EM13542149

At rush hour, the noise from a highway is 10^?4W/m^2 with 100 cars passing a given point a minute. At night the average noise is reduced to 10^?6 W/m^2. How many cars are now driving on the highway.

Reference no: EM13542149

Questions Cloud

How to evaluate the final temperature of the water : A piece of copper of mass 20.0g at 100.00C is placed in a vessel of negligible heat capacity, but containing 50.7g water at 22.0C. Calculate the final temperature of the water. (Assume no energy is lost to surroundings)

The earths magnetic field has a magnitude : At a certain location, the Earth's magnetic field has a magnitude of 5.5.*10^-5 T and points in a direction that is 76 degrees below the horizontal. Find the magnitude of the magnetic flux through the top of a desk at this location that measures 140c..

How long does it take capacitor to lose half of its charge : A 13.0-µF capacitor is charged to a potential of 60.0 V and then discharged through a 185-? resistor. How long does it take the capacitor to lose half of its charge

State mixture of aluminum and ammonium perchlorate for fuel : The reuseable booster rocket of the U.S space shuttle emplot a mixture of aluminum and ammonium perchlorate for fuel. A possible equation for this reaction is: 3Al(s)+ 3NH4ClO4(s) --> Al2O3(s) + AlCl3(s)+3NO3(g)+ H2O(g)

How many cars are now driving on the highway : At rush hour, the noise from a highway is 10^?4W/m^2 with 100 cars passing a given point a minute. How many cars are now driving on the highway

What is the equivalent spring constant of the bow : An archer pulls her bowstring back 0.360 m by exerting a force that increases uniformly from zero to 230 N. What is the equivalent spring constant of the bow? (N/m) How much work does the archer do in pulling the bow? (J)

Determine do they get faster or slower : A long rope is suspended from the ceiling. Waves are started from the bottom traveling up the rope, Do they get faster or slower? Explain why this occurs

State what is the maximum number of electrons in an atom : What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5

Explain moles of titanium has the greatest mass : Which of these samples: 1) 0.76 moles of titanium 2) 70.06 of calcium chloride 3) 3.62X10x22 moles of water

User Account

All Pages