Suppose you are standing with two heavy rocks high up on a tall building. You throw one rock down with an initial speed of 2 m/s; you just let go of the other rock. What is the di erence in the speeds of the two rocks after 5 seconds|is it less than, more than, or equal to 2 m/s?

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:

12000j is work done

the components of a vector are the parts of the vectors that are to each other.

b perpendicular