Keesha would say the ball is traveling at 7 km/h. The correct option is the second option 7 km/h
<h3>What is relative velocity? </h3>
<em>Relative velocity </em>is defined as the velocity of an object with respect to another observer.
From the question, we are to determine how fast Keesha would say the ball is traveling. That is, the relative velocity
Relative velocity of the ball = 12 km/h - 5 km/h
Relative velocity of the ball = 7 km/h
Hence, Keesha would say the ball is traveling at 7 km/h. The correct option is the second option 7 km/h
Lear more on Relative velocity here: brainly.com/question/13363067
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