Answered: 7. According to a seated woman, a… | bartleby

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7. According to a seated woman, a 67.7-kg man runs with his 32.4-kg dog toward a 20.2-
kg child who is running toward the man. The man and dog's speed is 3.50 km/h, and the
child's speed is 1.25 km/h.
1. According to the woman, what is the kinetic energy of the man-dog-child system?
( Ans: 48.5 J )
2. According to the man, what is the kinetic energy of the man-dog-child system?
( Ans: 17.6 J )

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