John see Hua running towards him at 11m/s. While running, Hua throws a ball to john at 5m/s. What is the speed of the ball as observed by John?

Respuesta :

Answer:

  16 m/s

Explanation:

From John's point of view, the speed of the ball is the sum of Hua's speed and the speed at which Hua throws it:

  11 m/s +5 m/s = 16 m/s

John observes the speed as 16 m/s.