The velocity vector of an object is given by and 4 s later, its velocity vector is . The units are in m/s. The magnitude of the change in the velocity vector is
A) 1.4 m/s.
B) 2.8 m/s.
C) 5.7m/s.
D) 3.7 m/s.
E) 11.3 m.

Question

The velocity vector of an object is given by  and 4 s later, its velocity vector is  . The units are in m/s. The magnitude of the change in the velocity vector  is
A) 1.4 m/s. 
B) 2.8 m/s. 
C) 5.7m/s. 
D) 3.7 m/s. 
E) 11.3 m.

Quizplus · Accepted Answer

The Answer of The velocity vector of an object is given by  and 4 s later, its velocity vector is  . The units are in m/s. The magnitude of the change in the velocity vector  is
A) 1.4 m/s. 
B) 2.8 m/s. 
C) 5.7m/s. 
D) 3.7 m/s. 
E) 11.3 m.

The Velocity Vector of an Object Is Given by