Answer :
The average velocity of the ball is 1.14 m/s.
Since there is no height given, we can assume that the ball was rolling on a non-inclined surface.
Distance covered by the ball = 18 meters
Time taken by the ball = 15.7 seconds
The velocity of the ball = Distance / Time taken
Velocity= 18/15.7
Velocity= 1.14 m/s
and since there is no initial velocity given, it is the average velocity of the ball.
The distance traveled divided by the time passed is the definition of an object's average speed. Average velocity can be calculated as the displacement divided by the time. Velocity is a vector quantity. The straight line average velocity formulae are invalid for broad scenarios involving non-constant acceleration, hence this definition must be used directly.
To learn more about average velocity please visit-
https://brainly.com/question/862972
#SPJ9
