Rodolfo travels south 2 miles and then goes west 3 miles and then east 4 miles. What is his displacement?

car stops. he keeps going = he has inertia

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:

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.