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One 110-kg football lineman is running to the right at
Chapter 10, Problem 5E(choose chapter or problem)
One 110-kg football lineman is running to the right at 2.75 m/s while another 125-kg lineman is running directly toward him at 2.60 m/s. What are (a) the magnitude and direction of the net momentum of these two athletes, and (b) their total kinetic energy?
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QUESTION:
One 110-kg football lineman is running to the right at 2.75 m/s while another 125-kg lineman is running directly toward him at 2.60 m/s. What are (a) the magnitude and direction of the net momentum of these two athletes, and (b) their total kinetic energy?
ANSWER:Solution 5E Problem (a) Step 1: Mass of first lineman m = 110 Kg 1 Mass of second lineman m = 25 Kg Velocity of the first lineman v1 2.75 m/s (to the right) Velocity of the second lineman v =22.6 m/s (to the left)