1. A train moves 10 m/s to the right. A passenger on the train moves 3 m/s to the right. According
to a man standing on the ground, how fast and in what direction is the passenger on the train
moving?

explanation:

as the height from which the ruler was dropped increased, the speed of the ruler at ryan's hand increased.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle