Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 2.6 cm . two of the particles have a negative charge: q 1 = -7.7 nc and q 2 = -15.4 nc . the remaining particle has a positive charge, q 3 = 8.0 nc . what is the net electric force acting on particle 3 due to particle 1 and particle 2?

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared