An Object Moves from a Point with Coordinates X =

Multiple Choice

An object moves from a point with coordinates x = 0.0 m,y = -1.0 m,to a point with coordinates x = 8.0 m,y = -9.0 m in a time interval of 3.4 seconds.The magnitude of its the average velocity is

A) 6.2 m/s.
B) 5.0 m/s.
C) 7.3 m/s.
D) 4.9 m/s.
E) 3.2 m/s