Velocity which stone gains when falling from height of 80 m is approximately equal to * A. 0
B. 1 m/s
C. 8 m/s
D. 40 m/s
E. 300 m/s

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

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

b perpendicular