ZhiHeng
ZhiHeng
18-08-2016
Mathematics
contestada
Help me with part (a)
Respuesta :
caylus
caylus
18-08-2016
Hello,
ok i have found the anwser on the net.
Diameter of PM2.5=2.5µm=2.5*10^(-6) m =0.000 002 5 m
Area= 4*π*(1.25*10^(-6))^2=1,9950369987356622981533170541178e-11 m²=0.000 000 000 019 950 366 ... m²
Answer Link
VER TODAS LAS RESPUESTAS ( 15+ )
Otras preguntas
Suppose the initial position of an object is zero, the starting velocity is 3 m/s and the final velocity was 10 m/s. The object moves with constant acceleration
a bracterial cell is 0.002mm long. a nagnified image of the cell is 18mm long. what is the magnifiction?
LiAlH4 reacts with acid chlorides to yield secondary alcohols after hydrolysis. a. True b. False
Select all that apply. What characteristics do these words have in common? halibut, flounder, tuna, trout fish fresh water salt water edible
Why is 1 + (−5) equal to −4?
Help me please thank you
Simplify: 3x(2y+5)-2y(3x-5)-5(3x+2). The final result contains how many terms?
Where did the U.S. think the Texas-Mexico border was? Where did Mexico think it was?
At Little Rock School 476 students ride their bike to school. This is 85% of the totalstudents in the school. How many total students are in the school?
A box has a mass of 75 g. It has a length of 2.0 cm, a width of 2.0 cm and a height of 3.0 cm. What is the density?
ACCESS MORE
EDU ACCESS
