Discover Questions

How deep does a mosquitoes probocis penetrate the skin? If Ek = 1/2 mv^2
So
Ek = 1/2 p(momentum)v
Is it right? What is the formula weight of acetic acid, CH3COOH, which is found in vinegar? Where can I find average monthly daylight for US cities preferably in minutes/hours? Please help. 3x^3-x^2-5x+7=0(mod 11),
find all possible x.?