kvaughn8799 kvaughn8799

11-10-2022
Physics

Answered

The most dangerous particles in polluted air are those with diameters less than because they can penetrate deeply into the lungs. a 15-cm-tall closed container holds a sample of polluted air containing many spherical particles with a diameter of and a mass of . how long does it take for all of the particles to settle to the bottom of the container?

Answer :

Other Questions

The inside of an open metal t i n is 20 cm long 15 cm wide and 40 cm deep . the thickness of the t i n is 0.2 cm . calculate the volume of the metal used to mak

in a device called a velocity selector charged particles move through a region of space with both an electric field and a magnetic fied. if the speeed of the pa

you are holding two identical-looking balloons, one filled with air and one filled with water. youdrop these two balloons from a very tall bridge and notice tha

How does the electric force between two charged particles change if one particle's charge is increased by a factor of 2? A. It is increased by a factor of 2. •

a mass weighing stretches a spring . suppose the mass is displaced an additional in the positive (downward) direction and then released with an initial upward v

as a first approximation to the analysis of a space flight from the earth to mars, assume the orbits of the earth and mars are circular and coplanar. the mean d

9. If a runner exerts 350 J of work to make 125 the work? W of power, then how long did it take the runner to do the work?

a tank, shaped like a cone has height 7 meters and base radius 3 meters long. it is placed so that the circular part is upward. it is full of water, and we have