The average speed of the tennis ball is 3 m/s.
Average speed can be defined as the ratio of the total distance to the total time covered by the body. The S.I unit of average speed is m/s.
To calculate the formula below.
Formula:
Where:
From the question,
Given:
Substitute these values into equation 1
Hence, The average speed of the tennis ball is 3 m/s.
Learn more about average speed here: https://brainly.com/question/4931057
#SPJ1