Three point charges +, -2q and + are placed at points (x = 0, y = a, z = 0),(x = 0, y = 0, z =0) and (x = a, y = 0, z = 0) respectively. The magnitude and direction of the electric dipole moment vector of this charge assembly are :-

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

d.7.5cm is your answer

scientific laws are the result of testing theories and proving them to be facts.