1. A swimmer competes in a 100 m race. He completes the length of the 50.0 m swimming pool in 39.5 s, and makes the return lap in 42.0 s. (Assume that the swimmer moves in a straight line through his lane.)
   1. What is the average velocity for the first length? (2 marks)
   2. What is the average velocity for the return length? (2 marks)
   3. What is the average velocity of the race? (2 marks)

Answer rating: 100% (QA)

Average velocity is defined as the total displacement divided by the total time taken a Average ... View the full answer