The point on a graph where x and y values meet is called
a. the axis.
b. the origin.
c. the starting line.
d. an intersection point.

John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers total displacement?

How do you know how many valence electrons an atom has?