A ball is thrown vertically upwards at 18.5 m/s.For its complete trip (up and back down to the starting position),its average velocity is:
A) 18.5 m/s.
B) 9.3 m/s.
C) 4.6 m/s.
D) 13.9 m/s
E) not given.

Question

A ball is thrown vertically upwards at 18.5 m/s.For its complete trip (up and back down to the starting position),its average velocity is:
A) 18.5 m/s.
B) 9.3 m/s.
C) 4.6 m/s.
D) ​13.9 m/s
E) ​not given.

Quizplus · Accepted Answer

The average velocity for a complete trip where the starting and ending positions are the same is zero, as displacement is zero.

A Ball Is Thrown Vertically Upwards at 18