Angiegdl03
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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?

Answer :

sqdancefan

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.

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